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Sodium Hyaluronate

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Gelsyn-3 (sodium hyaluronate) is a prescription injectable treatment used to relieve knee pain caused by osteoarthritis.

Osteoarthritis is a degenerative joint condition that develops when the cartilage protecting the ends of bones gradually breaks down. Cartilage acts as a cushion, allowing the bones to move smoothly without excessive friction.

As cartilage wears away, the affected joint may become painful, stiff, and swollen. These changes can make everyday activities, such as walking, climbing stairs, standing, and bending the knee, more difficult.

Gelsyn-3 contains sodium hyaluronate, a purified form of hyaluronic acid. This substance is naturally found in synovial fluid, the thick liquid that lubricates and cushions joints.

Gelsyn-3 belongs to a class of treatments called viscosupplements. These treatments help supplement the natural joint fluid to improve lubrication and reduce discomfort.

Gelsyn-3 is generally prescribed for adults with knee osteoarthritis who have not experienced enough pain relief from treatments such as exercise, physical therapy, and simple pain relievers.

The medication is administered directly into the knee joint by a qualified healthcare provider. Treatment typically involves three injections, given approximately one week apart. 

Treatment of Knee Osteoarthritis

Gelsyn-3 is used to relieve pain associated with osteoarthritis of the knee.

Knee osteoarthritis occurs when the protective cartilage covering the ends of the bones gradually deteriorates. The condition may also involve changes in the surrounding bones, joint lining, and synovial fluid.

In a healthy knee, cartilage and synovial fluid work together to absorb shock and allow smooth joint movement.

However, osteoarthritis can change the quality of synovial fluid, reducing its ability to lubricate and cushion the joint.

As a result, movement may become painful and uncomfortable, especially during weight-bearing activities.

Common symptoms of knee osteoarthritis include:

  • Knee Pain: Persistent or recurring pain that may become worse when walking, climbing stairs, or standing for long periods.
  • Joint Stiffness: Difficulty bending or straightening the knee, especially after resting.
  • Swelling: Fluid buildup or inflammation around the knee joint.
  • Reduced Mobility: Difficulty performing everyday movements or physical activities.
  • Grinding Sensation: A clicking, cracking, or grinding feeling during knee movement.
  • Joint Tenderness: Discomfort when touching or applying pressure around the knee.

Gelsyn-3 helps supplement the natural hyaluronic acid found in the knee joint.

The treatment may help reduce pain and improve joint movement by supporting the lubricating and cushioning properties of synovial fluid.

For some people, this may make everyday activities more comfortable.

However, Gelsyn-3 does not cure osteoarthritis, rebuild damaged cartilage, or reverse existing joint damage.

Its primary purpose is to provide temporary relief from osteoarthritis-related knee pain.

Not everyone experiences the same level of improvement, and some people may receive little or no benefit.

Your healthcare provider will assess the severity of your osteoarthritis, previous treatments, and overall joint health before recommending Gelsyn-3.

How Does Gelsyn-3 Work?

Gelsyn-3 contains sodium hyaluronate, a form of hyaluronic acid that helps support the natural lubrication and cushioning of the knee joint.

Hyaluronic acid is an important component of synovial fluid, which surrounds and protects the moving surfaces of joints.

In healthy joints, synovial fluid acts as both a lubricant and a shock absorber.

However, knee osteoarthritis can change the amount and quality of hyaluronic acid in synovial fluid, making it less effective at protecting the joint during movement.

Gelsyn-3 is injected directly into the affected knee to supplement the joint’s natural hyaluronic acid.

Improves Joint Lubrication

Healthy synovial fluid helps the surfaces inside the knee move smoothly against each other.

When osteoarthritis changes the properties of this fluid, movement may become more uncomfortable.

Gelsyn-3 helps supplement the joint fluid with sodium hyaluronate, improving its lubricating properties.

Better joint lubrication may help reduce discomfort during movement.

This can make activities such as walking, bending the knee, or climbing stairs easier for some people.

Supports Joint Cushioning

The knee absorbs pressure during activities such as walking, standing, running, and climbing stairs.

Synovial fluid helps distribute some of this pressure and supports the cushioning function of the joint.

Gelsyn-3 contains hyaluronic acid, which has viscoelastic properties.

This means it can behave like both a thick fluid and an elastic material.

These properties may help the joint fluid absorb movement-related stress and provide additional cushioning.

However, the treatment does not replace damaged cartilage or repair the underlying structural changes caused by osteoarthritis.

Reduces Knee Pain

Osteoarthritis-related knee pain may develop from changes in cartilage, surrounding bone, joint tissues, and inflammation.

By supplementing the natural hyaluronic acid in the joint, Gelsyn-3 may help improve the joint environment and reduce discomfort.

Some research suggests that hyaluronic acid injections may also influence inflammatory signalling and pain-related processes within the joint.

However, these effects are not fully understood, and the amount of pain relief varies between individuals.

Gelsyn-3 is intended to provide symptom relief rather than eliminate the underlying cause of osteoarthritis.

Helps Improve Joint Mobility

Knee pain and stiffness can make everyday activities difficult.

People with knee osteoarthritis may avoid movement because walking, standing, or bending the knee causes discomfort.

By reducing pain in some patients, Gelsyn-3 may make it easier to move the knee and perform daily activities.

Improved comfort may support participation in prescribed exercise or physical therapy programs.

However, Gelsyn-3 does not directly restore lost cartilage or guarantee improved mobility.

How Long Does Gelsyn-3 Take to Work?

Gelsyn-3 does not always provide immediate pain relief.

Some people may begin noticing improvement within several weeks after treatment, while others may need more time to experience the full effects.

Gelsyn-3 is usually administered as a series of three injections, with one injection given each week.

Pain relief may gradually develop during the treatment course or after the final injection.

In clinical studies, some patients experienced improvements in knee pain lasting for several months, including up to approximately 26 weeks.

However, the duration and degree of relief vary from person to person.

Some individuals may experience meaningful improvement, while others may notice little or no change.

Your healthcare provider will evaluate your response and determine whether additional treatment or another approach to managing knee osteoarthritis is appropriate.

Important Information About Gelsyn-3

Gelsyn-3 must be injected directly into the knee joint by a qualified healthcare provider.

It should not be injected into a vein, muscle, or surrounding tissue.

Do not receive Gelsyn-3 if you have an active infection in the knee joint or a skin infection near the intended injection site.

Tell your healthcare provider if you have a history of allergic reactions to hyaluronic acid or sodium hyaluronate products.

After an injection, you may experience temporary knee pain, swelling, warmth, or discomfort around the injection site.

Your healthcare provider may recommend avoiding strenuous exercise, heavy lifting, prolonged standing, or high-impact activities for approximately 48 hours after treatment.

Although viscosupplementation may help some people with knee osteoarthritis, professional guidelines differ on its routine use because clinical studies have shown mixed benefits.

Gelsyn-3 is a viscosupplement treatment that may help relieve knee osteoarthritis pain by supplementing the natural hyaluronic acid in the joint. Its main benefits are improved lubrication, cushioning, and potential pain relief, rather than repairing cartilage or reversing osteoarthritis.

Gelsyn-3 is a prescription injectable medication used to relieve knee pain associated with osteoarthritis.

Gelsyn-3 contains sodium hyaluronate, a form of hyaluronic acid naturally found in the fluid surrounding the joints. It belongs to a class of treatments called viscosupplements, which help improve joint lubrication and cushioning.

The medication is supplied in a prefilled syringe containing 2 mL of solution with 16.8 mg of sodium hyaluronate.

Gelsyn-3 is administered through an intra-articular injection, meaning the medication is injected directly into the knee joint.

Gelsyn-3 must only be administered by a qualified healthcare provider. It is not intended for self-injection or home administration.

Your healthcare provider will determine whether Gelsyn-3 is appropriate based on the severity of your knee osteoarthritis, previous treatments, and overall joint health.

How Is Gelsyn-3 Administered?

Gelsyn-3 is administered during a medical appointment by a healthcare provider trained in joint injections.

The injection procedure generally involves the following steps:

  1. Examine the knee: Your healthcare provider will assess the affected knee for swelling, tenderness, infection, and other conditions that may affect treatment.
  2. Inspect the prefilled syringe: Before administering the medication, your healthcare provider will check the syringe and packaging for damage, leaks, or signs of contamination.
  3. Prepare the injection site: The skin around the knee will be cleaned using an appropriate antiseptic solution to reduce the risk of infection.
  4. Position the knee: Your healthcare provider will position your leg to allow safe access to the knee joint. The exact position may depend on the injection technique being used.
  5. Remove excess joint fluid if necessary: If a significant amount of fluid has collected inside the knee, your healthcare provider may remove it before administering Gelsyn-3.
  6. Insert the needle into the knee joint: Using a sterile technique, your healthcare provider will carefully guide the needle into the joint space. Imaging guidance may be used when appropriate.
  7. Inject Gelsyn-3: The healthcare provider will slowly inject the prescribed 2 mL of Gelsyn-3 solution directly into the affected knee joint.
  8. Remove the needle: After administering the medication, the needle will be removed and a small dressing may be applied to the injection site.
  9. Dispose of the syringe: The used syringe and needle will be placed in an approved medical sharps container. Each prefilled syringe is intended for single use only.
  10. Monitor for immediate reactions: Your healthcare provider may briefly assess the knee and provide instructions for managing discomfort or swelling after the injection.

The injection usually takes only a short time, although your appointment may be longer if additional knee examinations or procedures are required.

You may experience mild discomfort during the injection. Tell your healthcare provider if you develop severe or unusual pain.

Recommended Dosage of Gelsyn-3

Gelsyn-3 is usually administered as a series of three injections.

Each injection contains 2 mL of solution with 16.8 mg of sodium hyaluronate.

Dosage information General instructions
Medication Gelsyn-3 (sodium hyaluronate)
Dosage form Prefilled syringe
Strength 16.8 mg per 2 mL
Usual dosage One injection into the affected knee
Treatment schedule Once weekly for three consecutive weeks
Administration route Intra-articular injection
Who administers it Qualified healthcare provider

If both knees require treatment, your healthcare provider will determine whether injections are appropriate for each knee.

Do not attempt to inject Gelsyn-3 yourself or alter the recommended treatment schedule.

What Should I Do After a Gelsyn-3 Injection?

After receiving Gelsyn-3, your healthcare provider may recommend limiting certain physical activities for approximately 48 hours.

This allows the treated knee to rest and may reduce temporary discomfort following the injection.

During this period, avoid strenuous exercise, heavy lifting, prolonged standing, and high-impact activities that place excessive pressure on the knee.

Activities such as running, jumping, and intense sports should generally be avoided during the initial recovery period.

Light walking and normal daily movements may be acceptable if they do not increase your knee pain. Follow your healthcare provider’s specific activity instructions.

You may experience mild knee soreness, temporary swelling, or discomfort around the injection site.

If your healthcare provider approves, applying a cold pack wrapped in a towel for short periods may help relieve discomfort.

Your healthcare provider may also recommend an appropriate pain reliever if necessary.

Do not begin new pain medications without checking whether they are suitable for your medical history and other treatments.

What Should I Avoid After Receiving Gelsyn-3?

For approximately 48 hours after each injection, avoid activities that place significant stress on the treated knee.

These may include running, jogging, jumping, high-impact exercise, lifting heavy objects, and standing for long periods.

You should also avoid placing unnecessary pressure on the knee if it becomes painful or swollen.

Do not massage the injection site aggressively or attempt to drain fluid from the knee yourself.

Follow any additional wound-care instructions provided by your healthcare provider.

If you notice worsening swelling, severe pain, significant redness, or unusual warmth around the knee, contact your healthcare provider promptly.

What Should I Do If I Miss a Gelsyn-3 Injection?

Gelsyn-3 is administered by a qualified healthcare provider, usually as a series of three injections given approximately one week apart.

If you miss a scheduled injection appointment, contact your healthcare provider as soon as possible to arrange another appointment.

Do not attempt to administer the medication yourself or change the treatment schedule without medical advice.

Your healthcare provider will determine how to continue your treatment based on the timing of the missed appointment and your individual needs.

When to Contact Your Healthcare Provider

Mild pain, warmth, redness, or swelling around the injection site may occur after receiving Gelsyn-3. These reactions are usually temporary.

However, contact your healthcare provider promptly if you experience worsening knee pain, significant swelling, increasing redness, or difficulty moving the affected joint.

Seek urgent medical attention if you develop severe joint pain accompanied by fever, marked warmth, or rapidly increasing swelling. These symptoms may indicate a joint infection or another serious complication.

Seek emergency medical attention if you experience difficulty breathing, facial swelling, or other signs of a severe allergic reaction.

Gelsyn-3 must be administered by a qualified healthcare provider using proper injection techniques. Following the recommended three-week treatment schedule, avoiding strenuous activities for approximately 48 hours after each injection, and reporting unusual symptoms can help reduce the risk of complications.

Common Side Effects of Gelsyn-3 (Sodium Hyaluronate):

Serious Side Effects of Gelsyn-3 (Sodium Hyaluronate):

  • Severe pain or swelling around the knee after the injection

Gelsyn-3 (Sodium Hyaluronate) is available in the following forms and strength:

Gelsyn-3: Prefilled Syringe

  • 16.8 mg/2 mL

Before receiving Gelsyn-3, tell your healthcare provider about any medical conditions, allergies, or medications you are taking.

Gelsyn-3 is an injectable treatment used to relieve knee pain caused by osteoarthritis. It contains sodium hyaluronate, a form of hyaluronic acid that helps supplement the natural fluid responsible for lubricating and cushioning joints.

Gelsyn-3 is administered directly into the knee joint by a qualified healthcare provider. Although the treatment may reduce pain and improve mobility, it can cause temporary injection-site reactions and may not be suitable for everyone.

People with knee joint infections, certain circulation problems, or known allergies to sodium hyaluronate may require additional precautions or should avoid treatment.

Your healthcare provider will assess your knee condition and medical history before recommending Gelsyn-3.

Lymphatic or Venous Insufficiency

Gelsyn-3 should be used with caution in people who have lymphatic or venous insufficiency affecting the leg being treated.

Lymphatic insufficiency occurs when the lymphatic system cannot effectively drain excess fluid from the body’s tissues. This may cause swelling, heaviness, and discomfort in the affected leg.

Venous insufficiency develops when the veins have difficulty returning blood from the legs to the heart. This can cause blood and fluid to collect in the lower limbs.

Both conditions may contribute to persistent leg swelling and changes in the surrounding tissues.

The safety of Gelsyn-3 in patients with significant lymphatic or venous stasis has not been fully established.

Possible symptoms of circulation or fluid drainage problems include:

  • Persistent Leg Swelling: One or both legs may appear swollen, particularly around the ankles or knees.
  • Heaviness: The affected leg may feel unusually heavy or uncomfortable.
  • Skin Changes: The skin may become discolored, dry, or thickened.
  • Leg Discomfort: Aching or pressure may become worse after prolonged standing.
  • Reduced Mobility: Swelling may make walking or bending the knee more difficult.

Tell your healthcare provider if you have chronic leg swelling, lymphedema, venous insufficiency, or a history of circulation problems.

Your healthcare provider will determine whether Gelsyn-3 is appropriate and whether additional monitoring is necessary. 

Allergic Reactions to Sodium Hyaluronate

Do not receive Gelsyn-3 if you have a known allergy or hypersensitivity to sodium hyaluronate preparations.

Sodium hyaluronate is a form of hyaluronic acid used in certain joint injections to improve lubrication and relieve osteoarthritis-related pain.

Although allergic reactions are uncommon, some individuals may develop hypersensitivity to the medication or another component of the injection.

Possible symptoms include:

  • Skin Rash: Red or irritated patches may appear on the skin.
  • Itching: You may experience itching or discomfort around the injection site or elsewhere.
  • Hives: Raised, itchy bumps may develop.
  • Facial Swelling: Swelling may affect the lips, face, or eyelids.
  • Breathing Difficulties: Severe allergic reactions may cause wheezing, throat tightness, or shortness of breath.

Tell your healthcare provider if you have previously experienced an allergic reaction after receiving a hyaluronic acid or viscosupplement injection.

Seek emergency medical attention immediately if you develop difficulty breathing, swelling of your tongue or throat, or other symptoms of a severe allergic reaction.

Knee Joint Infections and Skin Infections

Gelsyn-3 should not be injected into a knee joint that has an active infection.

It should also not be administered through skin that has an infection or certain skin diseases near the intended injection site.

Injecting medication into an infected joint or through infected skin may increase the risk of serious complications.

A joint infection, also called septic arthritis, occurs when bacteria or other microorganisms enter the joint space.

This can cause significant inflammation, pain, swelling, and damage to the joint tissues.

Possible symptoms of a knee joint infection include:

Severe Knee Pain: Pain may become intense, even when the knee is not moving.

Joint Swelling: The knee may appear unusually swollen.

Warmth and Redness: The affected area may feel hot or appear red.

Fever: You may develop a fever or feel generally unwell.

Difficulty Moving the Knee: Bending, straightening, or placing weight on the knee may become painful.

Your healthcare provider will examine the knee before administering Gelsyn-3.

If an infection is suspected, the injection should be postponed until the condition has been appropriately evaluated and treated.

Seek urgent medical attention if you develop severe knee pain, rapidly increasing swelling, fever, or a hot, red joint. These symptoms may indicate a serious joint infection.

Injection-Site Pain and Swelling

Some people may experience temporary pain, swelling, warmth, or redness after receiving a Gelsyn-3 injection.

These reactions may occur because the needle and injected solution can temporarily irritate the tissues surrounding the knee joint.

Mild discomfort is usually temporary and may improve with rest.

Possible injection-site reactions include:

  • Knee Pain: Mild aching or tenderness after the injection.
  • Swelling: Temporary fluid buildup around the knee.
  • Warmth: The treated area may feel warmer than usual.
  • Redness: Mild redness may develop near the injection site.
  • Joint Stiffness: Bending or straightening the knee may feel uncomfortable.

Your healthcare provider may recommend avoiding strenuous activities for approximately 48 hours after each injection.

This includes running, jumping, heavy lifting, and prolonged standing.

If recommended by your healthcare provider, a cold pack wrapped in a towel may help reduce temporary discomfort.

Contact your healthcare provider if pain or swelling becomes worse, lasts longer than expected, or interferes significantly with walking.

Severe pain, marked swelling, fever, or increasing warmth should be evaluated promptly to rule out infection or another serious reaction.

Temporary Increase in Joint Inflammation

Gelsyn-3 may occasionally cause a temporary increase in knee inflammation after an injection.

Although Gelsyn-3 is intended to relieve osteoarthritis-related pain, the injection may sometimes trigger a short-term inflammatory response.

This may cause the treated knee to become more painful, swollen, stiff, or warm.

In some cases, a significant inflammatory reaction may resemble symptoms of a joint infection.

Possible symptoms include increased knee pain, swelling, warmth, redness, and difficulty moving the joint.

Mild reactions may resolve with rest and appropriate care. However, severe reactions require medical evaluation.

Your healthcare provider may recommend temporarily reducing activities that place pressure on the knee.

Do not assume that severe swelling or pain is a normal reaction to treatment.

Contact your healthcare provider promptly if you develop significant inflammation after receiving Gelsyn-3. Seek urgent care if the swelling is severe or accompanied by fever.

Avian Protein and Egg Allergies

Gelsyn-3 is not derived from birds, feathers, or eggs.

Unlike certain other hyaluronic acid injections made from rooster combs, Gelsyn-3 contains sodium hyaluronate produced through bacterial fermentation.

Therefore, the warning about avoiding treatment because of an allergy to avian proteins, feathers, or egg products does not specifically apply to Gelsyn-3.

However, you should still tell your healthcare provider about any history of allergies, particularly if you have previously reacted to hyaluronic acid injections.

Your healthcare provider will review the product’s ingredients and determine whether treatment is appropriate. 

Pregnancy and Breastfeeding

Tell your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding before receiving Gelsyn-3.

The safety and effectiveness of Gelsyn-3 have not been established in pregnant or breastfeeding women.

Although Gelsyn-3 is injected directly into the knee joint, there is limited information about its effects during pregnancy.

It is also not known whether sodium hyaluronate from Gelsyn-3 passes into human breast milk.

Because adequate safety information is unavailable, your healthcare provider will consider your symptoms, medical history, and other treatment options before recommending an injection.

Do not receive Gelsyn-3 during pregnancy or breastfeeding without discussing the potential risks and benefits with your healthcare provider.

Severe Joint Swelling and Fluid Buildup

Gelsyn-3 should not be administered into a knee with a severe joint effusion.

A joint effusion occurs when excess fluid collects inside or around a joint.

In people with knee osteoarthritis, fluid buildup may develop because of inflammation or irritation within the joint.

Common symptoms include swelling, tightness, stiffness, and difficulty bending or straightening the knee.

Before administering Gelsyn-3, your healthcare provider will assess whether excess fluid is present.

If necessary, the healthcare provider may remove synovial fluid from the knee before giving the injection. This procedure is called joint aspiration.

Removing excess fluid may help reduce pressure within the joint and allow the medication to be administered appropriately.

Severe swelling should also be evaluated to determine whether it is caused by osteoarthritis, infection, or another joint condition.

Gelsyn-3 should not be used when a severe joint effusion is present. 

Advanced Knee Osteoarthritis

Gelsyn-3 may not provide adequate pain relief for everyone with knee osteoarthritis.

The effectiveness of viscosupplement injections can vary depending on the severity of joint damage, symptoms, and response to previous treatments.

Advanced osteoarthritis may involve substantial cartilage loss, changes in joint structure, and significant limitations in movement.

Because Gelsyn-3 does not rebuild cartilage or reverse existing joint damage, people with severe osteoarthritis may experience limited improvement.

Your healthcare provider will assess your knee condition before recommending treatment.

This evaluation may include a physical examination, medical history, and imaging tests such as X-rays.

If your osteoarthritis is advanced or your symptoms remain severe despite treatment, your healthcare provider may discuss other options.

These may include physical therapy, appropriate pain medication, supportive devices, or referral for an orthopedic assessment.

Bleeding Disorders and Blood-Thinning Medications

Tell your healthcare provider if you have a bleeding disorder or take medications that reduce blood clotting.

Gelsyn-3 is administered through an injection directly into the knee joint.

Although joint injections are generally performed using minimally invasive techniques, inserting a needle through the skin may cause minor bleeding or bruising.

People with bleeding disorders or those taking anticoagulant medications may have an increased risk of bleeding following the procedure.

Examples of blood-thinning medications include warfarin, apixaban, rivaroxaban, and dabigatran.

Antiplatelet medications, such as aspirin and clopidogrel, may also affect bleeding.

Possible complications include bruising around the injection site or, less commonly, bleeding into the joint.

Your healthcare provider will review your bleeding risk before administering Gelsyn-3.

Many people taking anticoagulants can undergo joint injections safely with appropriate precautions. However, individual assessment is important.

Do not stop taking prescribed blood-thinning medications without medical advice.

Tell your healthcare provider if you develop unusual bruising, persistent bleeding, or significant knee swelling after an injection.

Physical Activity After Gelsyn-3 Injections

Your healthcare provider may recommend limiting certain activities for approximately 48 hours after receiving Gelsyn-3.

Joint injections may temporarily cause tenderness, swelling, or discomfort.

Avoiding strenuous activities during the initial recovery period may help reduce irritation around the treated knee.

Activities to avoid temporarily include running, jogging, jumping, heavy lifting, and standing for prolonged periods.

Gentle movement and light daily activities may be acceptable if they do not increase discomfort.

Follow your healthcare provider’s instructions about returning to exercise, work, and other activities.

Contact your healthcare provider if knee pain becomes worse instead of gradually improving.

When to Contact Your Healthcare Provider

Contact your healthcare provider if you experience persistent knee pain, unusual swelling, worsening stiffness, or redness following a Gelsyn-3 injection.

Tell your healthcare provider about any known allergies, bleeding disorders, circulation problems, pregnancy, breastfeeding, or medications you are taking before receiving treatment.

Seek urgent medical attention if you develop severe knee pain, rapidly increasing swelling, significant warmth, or fever. These symptoms may indicate a joint infection or serious inflammatory reaction.

Seek emergency medical attention if you experience difficulty breathing, swelling of your face or throat, or other symptoms of a severe allergic reaction.

Gelsyn-3 may help relieve knee osteoarthritis pain, but careful patient assessment and proper injection techniques are essential. Discussing your medical history, recognizing possible side effects, and following post-injection instructions can help reduce the risk of complications.

Who Should Not Receive Gelsyn-3 Injections?

Gelsyn-3 is not suitable for everyone. People with certain allergies, active knee infections, or skin infections near the injection site should not receive this treatment. Gelsyn-3 contains sodium hyaluronate, a form of hyaluronic acid that helps lubricate and cushion the knee joint. It is used to relieve knee pain caused by osteoarthritis. You should not receive Gelsyn-3 if you have a known allergy to sodium hyaluronate or any other ingredient in the injection. Allergic reactions may cause itching, hives, swelling, or breathing difficulties. Gelsyn-3 should also not be injected into a knee affected by an active joint infection. Your healthcare provider should avoid injecting through skin that has an infection or certain skin diseases near the injection site. Doing so may increase the risk of complications, including a serious joint infection. Unlike certain other hyaluronic acid injections, Gelsyn-3 is produced through bacterial fermentation rather than from avian sources. Therefore, an allergy to birds, feathers, or eggs is not a specific contraindication to Gelsyn-3. However, you should still tell your healthcare provider about all known allergies. People with bleeding disorders or those taking blood-thinning medications may require additional precautions because joint injections can sometimes cause bleeding or bruising. These conditions do not automatically prevent treatment, but your healthcare provider should assess your individual bleeding risk. Before receiving Gelsyn-3, tell your healthcare provider about any medical conditions, allergies, previous reactions to joint injections, or medications you are taking.

Is Gelsyn-3 Safe During Pregnancy or While Breastfeeding?

The safety of Gelsyn-3 during pregnancy and breastfeeding has not been established. Gelsyn-3 is injected directly into the knee joint to relieve pain associated with osteoarthritis. Although the medication acts mainly within the treated joint, there is limited information about its effects during pregnancy. Adequate studies have not been conducted in pregnant women to determine whether Gelsyn-3 could affect fetal development. It is also unknown whether sodium hyaluronate from Gelsyn-3 passes into human breast milk or affects a breastfed baby. If you are pregnant, planning to become pregnant, or breastfeeding, tell your healthcare provider before receiving treatment. Your healthcare provider will consider the severity of your knee pain, your medical history, and the potential benefits and uncertainties of treatment. Other approaches to managing knee osteoarthritis, such as physical therapy, appropriate exercise, and supportive devices, may also be considered. Do not receive Gelsyn-3 during pregnancy or breastfeeding without discussing the potential risks and benefits with your healthcare provider.

How Long Does Gelsyn-3 Treatment Last?

Gelsyn-3 treatment typically consists of three injections administered directly into the affected knee joint, with one injection given each week for three consecutive weeks. Gelsyn-3 contains sodium hyaluronate, a form of hyaluronic acid that helps improve the lubricating and cushioning properties of the fluid inside the knee joint. This may help reduce pain, stiffness, and discomfort associated with osteoarthritis. The treatment does not always provide immediate pain relief. Some people may begin noticing improvements within a few weeks, while others may experience gradual relief after completing all three injections. In clinical studies, Gelsyn-3 provided knee pain relief lasting up to approximately six months (26 weeks) for some patients. However, the duration and degree of improvement vary depending on the severity of osteoarthritis, joint condition, and individual response to treatment. Gelsyn-3 does not cure osteoarthritis, repair damaged cartilage, or permanently stop joint deterioration. Its purpose is to provide temporary relief from knee pain and help improve comfort during daily activities. Your healthcare provider will assess your response after completing the injection series and determine whether additional treatment is necessary. The effectiveness of repeated Gelsyn-3 treatment cycles has not been fully established.

How Many Injections Are Required for Gelsyn-3?

Gelsyn-3 is administered as a series of three injections, given approximately seven days apart. Each injection contains 2 mL of solution with 16.8 mg of sodium hyaluronate. The medication is injected directly into the knee joint by a qualified healthcare provider. The usual treatment schedule involves receiving the first injection during your initial appointment, followed by a second injection one week later and a third injection the following week. This completes the recommended three-week treatment course. Gelsyn-3 works by supplementing the hyaluronic acid naturally found in synovial fluid, the slippery substance that helps lubricate and cushion the knee joint. In people with osteoarthritis, changes in this fluid may contribute to pain, stiffness, and difficulty moving the knee. By supplementing the joint fluid, Gelsyn-3 may help improve lubrication, reduce discomfort, and support easier knee movement. After each injection, your healthcare provider may recommend avoiding strenuous exercise, heavy lifting, and prolonged standing for approximately 48 hours. This helps reduce irritation and discomfort around the treated knee. It is important to attend all three scheduled appointments and follow your healthcare provider’s instructions. If you miss an injection, contact your healthcare provider to arrange another appointment rather than changing the treatment schedule yourself. The amount of pain relief varies between individuals, and completing the injection series does not guarantee that all knee pain will disappear. Your healthcare provider will monitor your symptoms and determine whether Gelsyn-3 is helping manage your osteoarthritis.

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Additional Information Book
Generic name:

Sodium Hyaluronate

Formulation:

Prefilled Syringe

Strength(s):

16.8mg/2mL

Quantities Available:

1kit, 2kit, 3kit

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How to Order

How much Gelsyn-3 can I order at once from a Canadian pharmacy?

When ordering Gelsyn-3 (sodium hyaluronate) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is common for prescription medications to ensure adequate management of chronic conditions without frequent refills.

Here’s what you need to know:

Dosage and Quantity: Gelsyn-3 is available in 16.8 mg/2 mL prefilled syringes and is usually administered as one injection per knee once a week for 3 consecutive weeks. For a 90-day supply, which can accommodate up to 4 cycles (12 weeks), you would order 12 prefilled syringes per knee (3 syringes per cycle × 4 cycles). If treatment is required for both knees, you would need a total of 24 prefilled syringes (12 syringes per knee × 2 knees).

Do you sell sodium hyaluronate?

No, we do not sell sodium hyaluronate directly on our website. However, you can still enjoy low prices on Gelsyn-3, which contains sodium hyaluronate as an active ingredient. To purchase Gelsyn-3, you will need a valid prescription from your healthcare provider. We require this prescription to dispense the medication safely and appropriately. You can submit your prescription by mailing it to us, faxing it, or uploading it through your online account.

Do you offer shipping of Gelsyn-3 (sodium hyaluronate) to the United States?

Yes, we ship Gelsyn-3 (sodium hyaluronate) to both the United States and Puerto Rico.

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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Gelsyn-3 (Sodium Hyaluronate). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Gelsyn-3 (Sodium Hyaluronate).