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Cromolyn Eyedrops (Sodium Cromoglycate) Shopper Approved

Prescription Prescription Required FormationFormulation: Opthalmic Solution (pms)

Cromolyn Eyedrops

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Prescription Prescription Required FormationFormulation: Opthalmic Solution (pms)

Sodium Cromoglycate

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Cromolyn eye drops (active ingredient: cromolyn sodium, also known as sodium cromoglycate) are medicated eye drops used to treat certain allergic and inflammatory conditions of the eyes.

In U.S. prescribing information, cromolyn sodium ophthalmic solution is indicated for vernal conjunctivitis, vernal keratoconjunctivitis, and vernal keratitis. These are allergic eye conditions that can cause itching, redness, tearing, and irritation.

What Are Cromolyn Eye Drops Used For?

Vernal Conjunctivitis

Cromolyn eye drops are used to treat vernal conjunctivitis, a recurring allergic inflammation of the conjunctiva.

The conjunctiva is the thin, clear tissue that covers the white part of the eye and lines the inside of the eyelids.

Symptoms may include:

  • Intense itching
  • Red or bloodshot eyes
  • Watery eyes
  • Burning or irritation
  • Swollen eyelids
  • Increased mucus or eye discharge

Cromolyn helps control the allergic response that causes these symptoms.

Vernal Keratoconjunctivitis

Cromolyn may also be used for vernal keratoconjunctivitis.

This is a more significant allergic eye condition that affects both the conjunctiva and the cornea, which is the clear surface at the front of the eye.

Symptoms may include severe itching, redness, tearing, eye discomfort, and sensitivity to light.

Regular use of cromolyn may help reduce the allergic inflammation associated with this condition.

Vernal Keratitis

Cromolyn eye drops are also indicated for vernal keratitis, which involves allergic inflammation affecting the cornea.

Because the cornea plays an important role in vision, significant pain, sensitivity to light, or changes in eyesight should be evaluated by a healthcare provider.

How Cromolyn Eye Drops Work

Cromolyn belongs to a group of medicines called mast cell stabilizers.

Rather than simply blocking allergy symptoms after they begin, cromolyn helps prevent an important early step in the allergic reaction.

What Are Mast Cells?

Mast cells are immune cells found throughout the body, including in tissues around the eyes.

When a person with an allergy is exposed to a trigger, these cells can release substances involved in allergic inflammation.

These substances include:

  • Histamine
  • Leukotrienes
  • Other inflammatory chemicals

Their release can cause itching, redness, swelling, tearing, and irritation.

Stabilizes Mast Cells

Cromolyn helps stabilize mast cells.

This makes the cells less likely to release histamine and other inflammatory substances when they are exposed to an allergen.

Helps Prevent Allergy Symptoms

By limiting the release of these substances, cromolyn can help reduce the allergic reaction in the eyes.

This may improve symptoms such as:

  • Itching
  • Redness
  • Tearing
  • Burning
  • Irritation
  • Swelling

Cromolyn Is Different From an Antihistamine

Cromolyn is not a traditional antihistamine.

Antihistamines mainly work by blocking histamine after it has already been released.

Cromolyn works earlier in the allergic process by helping prevent mast cells from releasing histamine and other inflammatory substances in the first place.

Regular Use Is Important

Cromolyn eye drops work best when they are used consistently.

Unlike some medicines that provide rapid symptom relief after a single dose, cromolyn may require regular treatment before its full benefit becomes noticeable.

The prescribing information emphasizes using the eye drops at regular intervals for the medication to work effectively.

Cromolyn Helps Control Symptoms

Cromolyn eye drops help control allergic inflammation, but they do not permanently cure the underlying allergy.

Symptoms may return if treatment is stopped or if you are exposed again to the allergen that triggers your eye symptoms.

Continue using the drops for the period recommended by your healthcare provider.

Important Treatment Reminder

Use cromolyn eye drops exactly as directed. Regular use is important because the medication works mainly by preventing allergic reactions rather than providing immediate relief once severe symptoms have already developed.

Contact your healthcare provider if your symptoms become worse, do not improve with treatment, or you develop significant eye pain, sensitivity to light, or changes in vision.

Cromolyn sodium eye drops are applied directly to the eyes to help control allergic inflammation. For the medication to work well, it should be used regularly and at evenly spaced intervals, as directed by your healthcare provider. The usual dose is 1 or 2 drops in each affected eye 4 to 6 times daily.

Wash Your Hands Before Use

Wash your hands thoroughly with soap and water before handling the eye-drop bottle.

Dry your hands with a clean towel. Clean hands help reduce the risk of contaminating the bottle or introducing bacteria into your eyes.

Check the Bottle Before Applying the Drops

Make sure you are using the correct medication and follow any instructions provided with your specific product.

Avoid using the drops if the solution appears unusually cloudy, discolored, or contaminated. If you are unsure whether the product is safe to use, ask your pharmacist.

Keep the Dropper Tip Clean

Do not touch the dropper tip with your fingers.

Also avoid allowing the tip to touch your eye, eyelid, eyelashes, or any other surface. This helps prevent contamination that could lead to an eye infection.

Replace the cap securely after each use.

Tilt Your Head Back

Tilt your head backward and look upward.

Using one finger, gently pull down your lower eyelid to create a small pocket between the eyelid and the eye.

Apply the Prescribed Number of Drops

Hold the bottle above your eye with the dropper tip facing downward.

Place 1 or 2 drops, or the exact amount prescribed, into the pocket formed by your lower eyelid.

Try not to let the bottle touch your eye.

Close Your Eyes Gently

After applying the drops, gently close your eyes.

Keep them closed for about 1 to 2 minutes. Avoid blinking repeatedly or rubbing your eyes because this may cause some of the medication to drain away.

Press the Inner Corner of the Eye if Directed

You may gently press the inner corner of your eye near the bridge of your nose for about 1 minute.

This technique can reduce drainage of the medication through the tear duct and may help keep more of the medicine in the eye.

Repeat for the Other Eye if Needed

If both eyes are being treated, repeat the same steps for the other eye.

Use the prescribed number of drops in each affected eye.

Recommended Dose

The usual dose of cromolyn sodium ophthalmic solution is 1 or 2 drops in each affected eye 4 to 6 times daily at regular intervals.

Your healthcare provider may give you a specific schedule based on your symptoms and the eye condition being treated.

Space the Doses Throughout the Day

Cromolyn works best when it is used consistently.

Rather than using several doses close together, try to spread them throughout the day according to your prescribed schedule.

The prescribing information specifically notes that the effectiveness of cromolyn eye drops depends on regular administration.

Cromolyn May Take Time to Work

Cromolyn is a mast cell stabilizer, so it works mainly by helping prevent allergic reactions rather than immediately blocking symptoms after they begin.

Because of this, you may not notice complete relief right after the first dose.

Continue using the medication regularly as prescribed, even if your symptoms do not improve immediately.

Starting Treatment Before Allergy Exposure

When allergy triggers are predictable, your healthcare provider may recommend beginning treatment before exposure or before your usual allergy season starts.

This gives cromolyn time to help stabilize the allergic response before symptoms become severe.

Using Other Eye Drops

If you use another type of eye medication, do not apply both products at exactly the same time.

Allow several minutes between different eye drops. A separation of about 5 to 10 minutes is commonly used unless your healthcare provider gives you different instructions.

If you use both eye drops and an eye ointment, the drops are generally applied first.

Contact Lenses

Ask your healthcare provider or pharmacist whether contact lenses should be removed before using your specific cromolyn eye-drop product.

This is especially important because some ophthalmic solutions contain preservatives that may interact with certain types of contact lenses.

Do not wear contact lenses if your eyes are severely red, painful, or inflamed unless your eye-care professional says it is appropriate.

If You Miss a Dose

If you forget a dose, use the eye drops when you remember unless it is almost time for your next scheduled dose.

If your next dose is close, skip the missed dose and continue with your usual schedule.

Do not use extra drops to make up for a missed application.

Do Not Use Extra Drops for Faster Relief

Using more cromolyn than prescribed is unlikely to provide faster relief.

Follow the recommended number of drops and dosing schedule. Using the medication regularly is more important than applying extra drops at one time.

Use in Children

Cromolyn ophthalmic products may be used in children when appropriate, but the approved age range can depend on the specific product and local prescribing information.

Follow the dose and age instructions provided by your healthcare provider or pharmacist rather than adjusting treatment on your own.

Watch for Eye Irritation

Temporary stinging or burning may occur after the drops are applied.

Contact your healthcare provider if irritation becomes severe or persistent, or if you develop significant eye swelling, worsening redness, eye pain, or changes in vision.

Important Treatment Reminder

Use cromolyn eye drops exactly as prescribed. The usual regimen is 1 or 2 drops in each affected eye 4 to 6 times daily at regular intervals.

Keep the bottle tip clean, use the drops consistently, and contact your healthcare provider if your symptoms worsen or do not improve with treatment.

Common Side Effects of Cromolyn Eyedrops (Sodium Cromoglycate):

  • Diarrhea
  • Headache
  • Temporary stinging or burning in your eye

Serious Side Effects of Cromolyn Eyedrops (Sodium Cromoglycate):

  • Coughing
  • Difficulty in swallowing
  • Hives or itching of skin
  • Swelling of face, lips, or eyelids
  • Wheezing or difficulty in breathing
  • Watery or itchy eyes
  • Puffy eye

Cromolyn Eyedrops (Sodium Cromoglycate) is available in the following forms and strength:

Cromolyn Eyedrops: Opthalmic Solution (pms)

  • 2%

Sodium Cromoglycate: Opthalmic Solution (pms)

  • 2%
  • 4%

Allergic Reactions

Do not use cromolyn sodium eye drops if you are allergic to cromolyn sodium or any ingredient in the product.

Stop using the drops and seek medical attention if you develop severe swelling, hives, difficulty breathing, or another serious allergic reaction.

Temporary Stinging or Burning

Cromolyn eye drops may cause brief stinging or burning after they are placed in the eye.

This is the most commonly reported side effect. Other less common reactions may include watery eyes, itching, dryness around the eyes, puffiness, irritation, or styes.

Use the Drops Regularly

Cromolyn may not provide immediate relief after the first dose.

It works best when used regularly as prescribed. Continue treatment even if improvement is gradual, unless your healthcare provider tells you to stop.

Do Not Use More Than Recommended

Use cromolyn eye drops exactly as directed.

Do not increase the number of drops or use them more often than prescribed. The recommended dosing frequency should not be exceeded.

Contact Lenses

Ask your healthcare provider or pharmacist whether you should remove contact lenses before using your specific cromolyn eye-drop product.

Some ophthalmic solutions contain preservatives that may not be suitable for use with soft contact lenses. Avoid wearing contact lenses when your eyes are significantly red, irritated, or inflamed unless your eye-care provider says it is appropriate.

Other Eye Conditions

Tell your healthcare provider if you have an eye infection, severe dry eye, eye injury, or another ongoing eye condition before using cromolyn eye drops.

Contact your healthcare provider if you develop worsening redness, significant eye pain, swelling, discharge, sensitivity to light, or changes in vision. These symptoms may require further evaluation rather than simply increasing your cromolyn dose.

Other Medications

Tell your healthcare provider about all prescription medicines, over-the-counter products, vitamins, herbal supplements, and other eye medications you use.

If you use more than one eye medication, your healthcare provider or pharmacist can tell you how long to wait between products.

Pregnancy

Tell your healthcare provider if you are pregnant, planning to become pregnant, or think you may be pregnant.

Available prescribing information recommends using cromolyn sodium ophthalmic solution during pregnancy only when clearly needed.

Breastfeeding

Talk to your healthcare provider before using cromolyn eye drops while breastfeeding.

Your healthcare provider can consider your treatment needs and the available safety information when deciding whether the medication is appropriate.

Kidney or Liver Disease

The warnings about reducing cromolyn doses in people with kidney or liver impairment apply more clearly to oral cromolyn products, not specifically to standard ophthalmic cromolyn labeling.

For eye drops, tell your healthcare provider about your medical conditions, but kidney disease, liver disease, heart disease, and high blood pressure are not listed as major specific cautions in the ophthalmic prescribing information reviewed here.

Do Not Share Your Eye Drops

Do not share cromolyn eye drops with another person, even if they have similar symptoms.

Sharing eye-drop bottles can spread contamination or infection, and another person’s eye symptoms may require a different treatment.

Use in Young Children

The safety and effectiveness of cromolyn sodium ophthalmic solution have not been established in children younger than 4 years of age.

Important Treatment Reminder

Use cromolyn eye drops exactly as directed and keep the dropper tip clean. Contact your healthcare provider if your symptoms become worse, do not improve with regular treatment, or you develop significant eye pain or vision changes.

How long does it take for cromolyn eye drops to work?

Cromolyn eye drops may take several days of regular use before you notice clear improvement. Because cromolyn works by preventing allergic reactions rather than providing immediate relief, its full benefit may take longer to develop. Continue using the eye drops regularly as directed by your healthcare provider, even if your symptoms do not improve right away.

Can I use cromolyn eye drops every day?

Yes. Cromolyn eye drops are intended to be used regularly while treatment is needed. Consistent use is important because the medication works best when given at regular intervals. Follow your healthcare provider’s instructions about how long to continue treatment rather than stopping when symptoms first improve.

How often should I use cromolyn eye drops?

The usual dose is 1 or 2 drops in each affected eye 4 to 6 times daily. Try to use the drops at regular intervals throughout the day. Using them consistently helps the medication control allergic inflammation more effectively.

How long can I use cromolyn eye drops?

The length of treatment depends on your eye condition, symptoms, and response to therapy. There is not a standard maximum treatment period of 3 months in the current U.S. prescribing information reviewed here. Continue using cromolyn eye drops for as long as your healthcare provider recommends. If your symptoms do not improve, become worse, or you develop eye pain or changes in vision, contact your healthcare provider.

REVIEWS

Additional Information Book
Generic name:

Sodium Cromoglycate

Formulation:

Opthalmic Solution (pms)

Strength(s):

2%, 4%

Quantities Available:

5mL, 10mL

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Our online Canadian Pharmacy is known for high standards of quality, safety, and efficiency when it comes to medications.

Our pharmacy offers lower prices on prescription drugs compared to traditional pharmacies.

How to Order

How much Cromolyn Eyedrops can I order at once from a Canadian pharmacy?

When ordering Cromolyn Eyedrops (sodium cromoglycate) 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: Cromolyn Eyedrops are commonly prescribed in a 2% concentration, applied one to two drops into each affected eye, four to six times per day as directed. The quantity you will order will be based on the frequency and dosage prescribed by your healthcare provider.

For example: If prescribed two drops per eye, four times daily, then for a 90-day supply you would order approximately 1,440 drops (2 drops x 4 times/day x 2 eyes x 90 days).

Do you sell sodium cromoglycate?

Yes, we sell sodium cromoglycate at our pharmacy, and you can enjoy low prices. However, to purchase sodium cromoglycate, you will need a valid prescription from your healthcare provider. We require this to dispense the medication safely and appropriately. You can provide your prescription by mailing, faxing, or uploading it through your online account.

Do you offer shipping of Cromolyn Eyedrops (sodium cromoglycate) to the United States?

Yes, we ship Cromolyn Eyedrops (sodium cromoglycate) 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 Cromolyn Eyedrops (Sodium Cromoglycate). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Cromolyn Eyedrops (Sodium Cromoglycate).