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Cetrotide (active ingredient: cetrorelix) is a prescription fertility medication used during controlled ovarian stimulation. It helps prevent ovulation from happening too early, which gives the fertility team more control over the timing of egg development and retrieval.
Cetrotide is commonly used as part of assisted reproductive technology, including in vitro fertilization (IVF).
Cetrotide is used during assisted reproductive technology, or ART, to help control the reproductive hormones involved in ovulation.
During IVF and similar fertility treatments, medications are often used to stimulate the ovaries so that several follicles can develop at the same time. Each follicle may contain an egg.
The goal is to allow these eggs to mature before they are collected for fertilization.
Cetrotide helps prevent the body from releasing the eggs before the planned egg retrieval procedure.
During controlled ovarian stimulation, fertility medications encourage the ovaries to develop multiple follicles instead of the single follicle that usually develops during a natural menstrual cycle.
As the follicles grow, hormone levels change.
If the body produces an LH surge too early, ovulation may occur before the fertility team is ready to collect the eggs.
Cetrotide helps prevent this from happening.
LH stands for luteinizing hormone.
In a natural menstrual cycle, a sudden increase in LH signals the ovary to release a mature egg. This process is called ovulation.
During fertility treatment, an early LH surge can cause the eggs to be released before they can be retrieved.
Cetrotide suppresses this premature LH surge and helps keep the eggs inside the ovaries until the appropriate time.
Preventing early ovulation is important because once an egg is released from the ovary, it may no longer be available for planned retrieval.
By delaying ovulation, Cetrotide allows the follicles to continue developing while the healthcare provider monitors their size and maturity.
This gives the fertility team more control over the treatment cycle.
Egg retrieval needs to take place at a carefully planned time.
Your healthcare provider may monitor follicle growth using ultrasound and may also perform blood tests to measure hormone levels.
Once the eggs are considered mature enough, another medication may be given to trigger the final stage of egg maturation.
Cetrotide helps prevent natural ovulation before this planned trigger and retrieval process occurs.
During IVF, mature eggs are collected from the ovaries and fertilized with sperm in a laboratory.
The resulting embryos may then be transferred into the uterus.
Cetrotide does not directly cause fertilization or implantation. Instead, it helps support the treatment process by preventing premature ovulation and allowing egg retrieval to happen at the planned time.
Cetrotide belongs to a group of medications called gonadotropin-releasing hormone antagonists, or GnRH antagonists.
GnRH is a natural hormone produced by the brain. It controls the release of other reproductive hormones from the pituitary gland.
Blocks GnRH Receptors
Cetrorelix attaches to GnRH receptors in the pituitary gland and blocks the effects of natural GnRH.
This prevents GnRH from strongly stimulating the release of luteinizing hormone and follicle-stimulating hormone.
Quickly Lowers LH Activity
Because Cetrotide directly blocks GnRH receptors, it can quickly reduce LH release.
This rapid action is useful during fertility treatment because it allows healthcare providers to control the timing of ovulation without causing the initial hormone stimulation that can occur with some other fertility medications.
Helps Keep Eggs in the Ovaries
By suppressing the LH surge, Cetrotide helps prevent the follicles from releasing their eggs too early.
The eggs can continue developing until the healthcare provider determines that they are ready for final maturation and retrieval.
Cetrotide is usually only one part of a fertility treatment plan.
Other medications may be used to stimulate follicle growth, support egg maturation, or prepare for egg retrieval.
While these medications encourage the ovaries to produce and mature eggs, Cetrotide helps prevent premature ovulation.
Cetrotide is usually given for a limited number of days during the ovarian stimulation phase of a fertility cycle.
The exact day treatment begins and how long it continues depend on how your ovaries respond to stimulation.
Your healthcare provider may monitor your treatment with:
These tests help determine when Cetrotide should be started and when the eggs are ready for retrieval.
Fertility treatment schedules can vary from person to person.
Your Cetrotide schedule may depend on:
Follow your healthcare provider’s instructions closely because the timing of each injection is important.
Cetrotide should only be used under the supervision of a healthcare provider experienced in fertility treatment.
Take or inject it exactly as instructed and do not change the dose or timing on your own.
Contact your fertility clinic if you miss a dose, inject it at the wrong time, or are unsure how to use the medication.
Cetrotide helps control the timing of ovulation, but it does not guarantee that IVF or another fertility treatment will result in pregnancy. Treatment success depends on many factors, including age, egg quality, sperm quality, embryo development, and other reproductive health factors.
Cetrotide is given as a subcutaneous injection, which means it is injected into the fatty tissue just under the skin.
Use Cetrotide exactly as directed by your healthcare provider. The timing of each dose is important during fertility treatment.
The usual dose of Cetrotide is 0.25 mg injected under the skin once daily.
Try to give each dose at about the same time every day, with approximately 24 hours between injections.
Wash your hands thoroughly with soap and water before handling the medication.
Check the vial and supplies to make sure they are clean and undamaged.
Cetrotide comes as a powder that must be mixed with the supplied liquid before injection.
To prepare the dose:
Do not shake the vial vigorously, as this may cause foaming.
After the medication has dissolved, draw the solution back into the syringe as directed.
Your kit may include a different needle for the actual injection. Follow the instructions supplied with your Cetrotide kit or those given by your healthcare provider.
Use the medication soon after it has been mixed.
Cetrotide is usually injected into the lower abdomen.
Choose an area of skin that is clean and free from redness, bruising, swelling, or irritation.
Rotate the injection site each day to help reduce soreness, redness, or skin irritation.
Clean the chosen injection site with an alcohol swab and allow the skin to dry.
Gently pinch a fold of skin and insert the needle as instructed by your healthcare provider. Inject the medication slowly under the skin.
Remove the needle and apply gentle pressure with a clean swab if needed.
Take each dose at about the same time every day.
Keeping a consistent schedule helps maintain the hormone suppression needed to prevent premature ovulation.
Do not skip doses, change the injection time, or stop Cetrotide without speaking with your fertility clinic.
If you miss a dose or give it later than planned, contact your healthcare provider as soon as possible for instructions.
Mild redness, itching, swelling, or discomfort may occur where Cetrotide is injected.
Rotating injection sites can help reduce these reactions.
Contact your healthcare provider if the reaction becomes severe, spreads, or does not improve.
Use one 0.25 mg dose exactly as directed by your healthcare provider.
Because Cetrotide is part of a carefully timed fertility treatment plan, follow your clinic’s dosing schedule closely and ask for help if you are unsure about preparing or injecting the medication.
Cetrotide (Cetrorelix) is available in the following forms and strength:
Cetrotide can rarely cause serious allergic reactions, including anaphylactic or anaphylactoid reactions. These reactions may occur even after the first dose.
Seek immediate medical attention if you develop symptoms such as:
Your healthcare provider may monitor you closely, especially when treatment begins.
Ovarian hyperstimulation syndrome, or OHSS, can occur during fertility treatment. It happens when the ovaries respond too strongly to stimulation medicines.
Symptoms may include:
Severe OHSS can be serious and may require hospital treatment.
Contact your healthcare provider right away if you develop severe or rapidly worsening symptoms.
Fertility treatments may increase the chance of becoming pregnant with twins, triplets, or more.
Multiple pregnancies can increase the risk of complications for both the pregnant person and the babies.
Your healthcare provider will monitor your ovarian response and discuss this risk with you during treatment.
Tell your healthcare provider about all medical conditions you have before starting Cetrotide.
This is especially important if you have a history of asthma, epilepsy, migraines, severe allergies, or other conditions that may affect your response to fertility treatment.
Your healthcare provider can decide whether any extra monitoring is needed.
Tell your healthcare provider about all medications and supplements you take before starting Cetrotide.
This includes:
Do not start, stop, or change another medication without first checking with your healthcare provider.
Cetrotide is usually used as part of a carefully monitored fertility treatment cycle.
Your healthcare provider may use blood tests and ultrasound examinations to monitor hormone levels, follicle development, and your response to treatment.
Keep all scheduled appointments and contact your fertility clinic if you develop unusual or severe symptoms.
The length of Cetrotide treatment can vary depending on how your ovaries respond to stimulation. It is often used for several days during an IVF cycle, commonly about 4 to 10 days. Your healthcare provider will decide when to start and stop Cetrotide based on ultrasound results, hormone levels, and follicle development.
No. Cetrotide is not intended for use during pregnancy. It is used during fertility treatment to prevent ovulation from happening too early. Once pregnancy has been established, Cetrotide should not be used.
Cetrotide is intended for use in women undergoing controlled ovarian stimulation as part of fertility treatment. It is not generally used in men for this purpose.
Store Cetrotide in the refrigerator at 2°C to 8°C (36°F to 46°F). Do not freeze it. Keep the medication protected from light and stored in its original packaging until you are ready to use it. Follow the storage instructions provided with your specific Cetrotide product.
Cetrotide is not known to have many major drug interactions, but you should still tell your healthcare provider about everything you take. This includes prescription medicines, over-the-counter products, vitamins, herbal supplements, and other fertility medications. Do not start, stop, or change another medication during fertility treatment without first checking with your healthcare provider.
| Generic name: | Cetrorelix |
|---|---|
| Formulation: | Vial |
| Strength(s): | 0.25mg |
| Quantities Available: | 1 |
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.
When ordering Cetrotide (cetrorelix) 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: Cetrotide is typically prescribed in a dosage of 0.25 mg administered as needed during fertility treatment cycles. The quantity you order for a 90-day supply will depend on your treatment plan, which is determined by your healthcare provider.
No, we don’t sell cetrorelix directly. However, you can purchase Cetrotide, which contains cetrorelix as an active ingredient, from our website. You’ll need a valid prescription from your healthcare provider to make a purchase. We require this to ensure safe dispensing of the medication. You can submit your prescription by mail, fax, or upload it through your online account.
Yes, we ship Cetrotide (cetrorelix) 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 Cetrotide (Cetrorelix). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Cetrotide (Cetrorelix).
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