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Zoladex (Goserelin) Shopper Approved

Prescription Prescription Required FormationFormulation: Disposable Syringe

Zoladex

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Prescription Prescription Required FormationFormulation: Disposable Syringe

Goserelin

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Zoladex (active ingredient: goserelin) is a prescription hormonal medication used to treat certain cancers and hormone-related conditions.

It works by temporarily reducing the body’s production of sex hormones, including testosterone and estrogen. Lowering these hormone levels can slow the growth of hormone-sensitive cancer cells and reduce symptoms caused by excess hormonal activity.

Prostate Cancer

Zoladex is used to treat advanced prostate cancer. Some prostate cancer cells depend on testosterone to grow.

Zoladex lowers testosterone levels, which can slow the growth and spread of prostate cancer. It may also help reduce symptoms such as bone pain, urinary problems, and discomfort caused by the disease.

Zoladex may be used alone or with other treatments, such as radiation therapy, surgery, or other hormone medications.

Breast Cancer

Zoladex may be used to treat certain types of hormone-sensitive breast cancer, particularly in premenopausal women.

Before menopause, the ovaries produce most of the body’s estrogen. Some breast cancer cells use estrogen to grow. Zoladex temporarily suppresses ovarian function and lowers estrogen levels, which can slow the growth of these cancer cells.

It may be used alone or together with other breast cancer treatments.

Endometriosis

Zoladex may be used to manage endometriosis. Endometriosis occurs when tissue similar to the lining of the uterus grows outside the uterus.

This tissue responds to estrogen and may cause:

  • Pelvic pain
  • Painful menstrual periods
  • Heavy or irregular bleeding
  • Pain during sexual intercourse
  • Fertility problems

By lowering estrogen levels, Zoladex causes the endometrial tissue to shrink and become less active. This can reduce pain, bleeding, and inflammation.

Treatment creates a temporary menopause-like state. Normal hormone production and menstrual periods usually return after treatment ends.

Central Precocious Puberty

Zoladex may be used to treat central precocious puberty, which is puberty that begins earlier than expected because of early activation of hormone signals from the brain.

The medication temporarily reduces the production of sex hormones. This can help slow or pause early physical development until a more appropriate age.

Treatment may also help protect the child’s expected adult height by preventing the bones from maturing too quickly.

Mechanism of Action

Zoladex belongs to a class of medications called gonadotropin-releasing hormone agonists, also known as GnRH agonists.

At first, Zoladex briefly increases the release of hormones that stimulate the ovaries or testes. With continued treatment, it reduces these hormone signals.

As a result:

  • Testosterone levels decrease in males
  • Estrogen levels decrease in females
  • Hormone-sensitive cancer cells receive less stimulation
  • Hormone-related conditions may become less active

Temporary Hormone Suppression

The hormone-lowering effects of Zoladex are usually temporary. After treatment is stopped, normal hormone production may gradually return.

The time needed for hormone levels, menstrual periods, or puberty to return varies from person to person and depends on the treatment duration and individual health factors.

Role in Treatment

Zoladex helps manage hormone-sensitive conditions, but it does not cure every condition for which it is prescribed.

A healthcare provider will determine whether it is appropriate based on the diagnosis, hormone sensitivity of the condition, age, treatment goals, and overall health.

Zoladex is supplied in a pre-filled, single-use syringe that contains a small implant of goserelin. The implant is placed under the skin of the lower abdomen, usually below the navel.

Zoladex should be administered by a trained healthcare professional. Patients should not attempt to inject the medication themselves.

How Zoladex Is Given

Before administering Zoladex, the healthcare professional cleans and prepares the injection area using sterile technique.

The skin is gently pinched, and the needle is inserted into the fatty tissue under the skin at the recommended angle. The plunger is then pressed to release the implant.

After the implant has been inserted, the syringe is removed and safely discarded in an approved sharps container.

The injection site may be checked for bleeding, swelling, redness, or other reactions.

Dosage for Prostate Cancer

For the palliative treatment of prostate cancer, the usual dose is one 3.6 mg Zoladex implant injected under the skin of the lower abdomen every 28 days.

Another Zoladex strength and dosing schedule may be used in some patients. A healthcare provider will select the appropriate treatment based on the condition and individual medical needs.

Dosage for Breast Cancer

For certain types of hormone-sensitive breast cancer, the usual dose is one 3.6 mg implant injected under the skin every 28 days.

Treatment is usually continued for as long as recommended by the healthcare provider.

Dosage for Endometrial Thinning

Zoladex may be used before certain procedures to thin the lining of the uterus.

The usual dose is one 3.6 mg implant injected under the skin every 28 days. The number of doses and treatment duration depend on the planned procedure and the healthcare provider’s instructions.

Individualised Treatment

The Zoladex dose and duration of treatment depend on several factors, including:

  • The condition being treated
  • Treatment goals
  • Response to therapy
  • Other medications or treatments
  • Overall health and medical history

Attend every scheduled appointment so that each implant is given on time. Delaying or missing a dose may reduce the effectiveness of hormone suppression.

Injection-Site Monitoring

Mild pain, redness, bruising, or swelling may occur at the injection site. These effects are usually temporary.

Contact a healthcare provider if you develop severe or persistent pain, increasing swelling, unusual bruising, bleeding, warmth, drainage, or other signs of infection.

Seek immediate medical attention for severe abdominal pain, dizziness, fainting, weakness, shortness of breath, or signs of significant bleeding after an injection.

Common Side Effects of Zoladex (Goserelin):

  • Bloating and fluid retention (buildup)
  • Dizziness
  • Fatigue (lack of energy)
  • Headaches
  • Hot flashes
  • Injection site reactions
  • Insomnia (trouble falling or staying asleep)
  • Joint pain
  • Loss of appetite
  • Lung conditions, such as chronic obstructive pulmonary disease (COPD)
  • Mood changes
  • Muscle weakness
  • Nausea
  • Pain
  • Rash
  • Sweating

Serious Side Effects of Zoladex (Goserelin):

  • Allergic reaction
  • Anxiety
  • Belly pain
  • Burning pain that spreads to your arms, buttocks, or legs
  • Chest pain
  • Cramping, numbness, or weakness in your arms or legs
  • Dizziness
  • Extreme thirst
  • Fainting
  • Feeling hopeless or pessimistic
  • Feeling irritable (easily frustrated or upset)
  • Frequent urination
  • Increased thirst
  • Irregular heartbeat
  • Loss of energy or feeling “slowed down”
  • Loss of feeling in your feet
  • Loss of interest in hobbies or activities
  • Pain and stiffness in your back or neck
  • Seizures
  • Shortness of breath
  • Trouble concentrating
  • Trouble remembering things
  • Tumor flare (growth of a tumor for a very short time)

Zoladex (Goserelin) is available in the following forms and strength:

Zoladex: Disposable Syringe

  • 3.6 mg

Injection Precautions

Zoladex is injected under the skin of the lower abdomen. The injection must be given carefully because there is a small risk of injuring blood vessels or other structures beneath the skin.

The medication should only be administered by a trained healthcare professional. Seek immediate medical care if you develop severe abdominal pain, dizziness, fainting, weakness, shortness of breath, or heavy bleeding after an injection.

Medical History and Allergies

Before starting Zoladex, tell your healthcare provider about all medical conditions, allergies, and previous reactions to hormonal medications.

This information helps determine whether Zoladex is appropriate and whether additional monitoring is needed during treatment.

Heart Rhythm Changes

Zoladex may increase the risk of QT prolongation, which is a change in the heart’s electrical rhythm. In rare cases, this can lead to a serious irregular heartbeat.

The risk may be higher if you have low potassium or magnesium levels. These levels may fall because of:

  • Severe vomiting
  • Persistent diarrhoea
  • Heavy sweating
  • Diuretic use
  • Certain medical conditions

Tell your healthcare provider if you have a heart rhythm disorder or take medications that affect the heartbeat. Seek medical attention if you develop fainting, severe dizziness, chest discomfort, or a fast or irregular heartbeat.

Effects on Fertility

Zoladex temporarily lowers sex hormone levels.

In women, it may stop ovulation and menstrual periods during treatment. In men, it may reduce sperm production. These effects can temporarily reduce fertility.

Fertility and normal hormone function may return after treatment ends, but the timing varies from person to person. In some cases, especially after long-term treatment or near the natural age of menopause, fertility may not fully return.

Medication Interactions

Zoladex may interact with other medications, including drugs that affect heart rhythm, blood clotting, or hormone levels.

Tell your healthcare provider about all prescription medications, nonprescription products, vitamins, and supplements you use. This includes hormonal contraceptives, anticoagulants, and medications that lower potassium or magnesium levels.

Do not start, stop, or change another medication without medical advice.

Pregnancy

Zoladex should generally not be used during pregnancy because it may harm an unborn baby.

Pregnancy should usually be ruled out before treatment begins. Use a reliable nonhormonal form of birth control, such as condoms or a copper intrauterine device, during treatment and for the period recommended by your healthcare provider.

Tell your healthcare provider immediately if you become pregnant during treatment.

Breastfeeding

Breastfeeding is generally not recommended while using Zoladex because it is not known whether the medication passes into breast milk or affects a nursing infant.

A healthcare provider will consider the treatment benefits and possible risks before deciding whether breastfeeding should be stopped or another treatment should be used.

Is Zoladex Safe for Everyone?

Zoladex may not be suitable for everyone. Before starting treatment, tell your healthcare provider about all medical conditions, allergies, previous reactions to hormone treatments, and medications or supplements you use. Your healthcare provider will review the possible benefits and risks to determine whether Zoladex is appropriate for you.

What Should I Do If I Miss a Zoladex Injection?

Contact your healthcare provider as soon as possible if you miss an appointment for a Zoladex injection. They will arrange a new appointment and explain when your next dose should be given. Do not receive an extra dose or change the injection schedule without medical advice. Keeping injections on schedule helps maintain consistent hormone suppression.

How Long Does Zoladex Take to Work?

The amount of time Zoladex takes to work depends on the condition being treated and how your body responds. Hormone levels usually begin to decrease after treatment starts, but it may take several weeks or months to experience the full benefits. For prostate cancer, symptoms and disease control may improve gradually over time. At the beginning of treatment, hormone levels may briefly rise before they fall. This may temporarily worsen symptoms in some people.

Can Zoladex Be Used During Pregnancy or Breastfeeding?

Zoladex should generally not be used during pregnancy because it may harm an unborn baby. Tell your healthcare provider immediately if you become pregnant or think you may be pregnant during treatment. Breastfeeding is also generally not recommended while receiving Zoladex. Speak with a healthcare provider about the potential risks, treatment benefits, and suitable alternatives before starting or continuing treatment.

REVIEWS

Additional Information Book
Generic name:

Goserelin

Formulation:

Disposable Syringe

Strength(s):

3.6mg

Quantities Available:

1

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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 Zoladex can I order at once from a Canadian pharmacy?

When ordering Zoladex (goserelin) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is standard for prescription medications to ensure continuous treatment without frequent refills.

Here’s what you need to know:

Dosage and Quantity: Zoladex is available in 3.6 mg and typically administered as a subcutaneous injection. The dosage and frequency of administration vary based on the specific medical condition and patient response.

For example, if prescribed 3.6 mg injected subcutaneously once every 28 days (common for conditions like endometriosis or breast cancer), for a 90-day supply, you would order 3 injections (90 days / 28 days per injection ≈ 3.21, rounded to 3 injections).

Do you sell goserelin?

No, we do not sell goserelin directly on our website. However, you can still enjoy competitive prices on Zoladex, which contains goserelin as its active ingredient. To purchase Zoladex, you will need a valid prescription from your healthcare provider, as we require this to dispense the medication safely and in accordance with regulatory requirements. You have the option to submit your prescription by mailing it to us, faxing it, or uploading it securely through your online account.

Do you offer shipping of Zoladex (goserelin) to the United States?

Yes, we ship Zoladex (goserelin) 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 Zoladex (Goserelin). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Zoladex (Goserelin).