Medically reviewed on May 2, 2018
Uses of Trelstar:
- It is used to treat prostate cancer.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Trelstar?
- If you have an allergy to triptorelin or any other part of Trelstar (triptorelin).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you are a woman. This medicine is not approved for use in women. If you are a woman using Trelstar (triptorelin), talk with your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding.
This medicine may interact with other drugs or health problems.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Trelstar (triptorelin) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Trelstar?
- Tell all of your health care providers that you take Trelstar (triptorelin). This includes your doctors, nurses, pharmacists, and dentists.
- This medicine may raise some hormone levels in your body during the first few weeks of taking it. Disease signs may get worse before getting better. Tell your doctor if you have any new signs or if your disease signs are worse for longer than a few weeks after starting Trelstar (triptorelin).
- This medicine lowers some hormone levels in your body. This may cause some effects like change in breast size, breast soreness or tenderness, testicle changes in men, change in sex ability in men, hot flashes, or sweating. Talk with your doctor.
- Lowering male hormones in the body may raise the chance of a type of heartbeat that is not normal called prolonged QT interval. Talk with the doctor.
- The chance of very bad and sometimes deadly problems may be raised in people who have growths on or near the spine or spinal cord or bladder blockage. Talk with your doctor.
- This medicine may cause weak bones. This may happen more often if used for a long time. This may raise the chance of broken bones. Call your doctor right away if you have bone pain.
- Behavior and mood changes have happened with the use of drugs like this one in children. This includes acting aggressive, crying, depression, emotional ups and downs, restlessness, and feeling angry and irritable. Call your doctor right away if you have any new or worse behavior or mood changes.
- High blood sugar has happened with Trelstar (triptorelin). This includes diabetes that is new or worse. Talk with the doctor.
- Check your blood sugar as you have been told by your doctor.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Trelstar (triptorelin).
How is this medicine (Trelstar) best taken?
Use Trelstar (triptorelin) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into a muscle.
What do I do if I miss a dose?
- Call your doctor to find out what to do.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
- Signs of a urinary tract infection (UTI) like blood in the urine, burning or pain when passing urine, feeling the need to pass urine often or right away, fever, lower stomach pain, or pelvic pain.
- Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Trouble passing urine.
- Back pain.
- Blood in the urine.
- A burning, numbness, or tingling feeling that is not normal.
- A fast heartbeat.
- A heartbeat that does not feel normal.
- Dizziness or passing out.
- Fever or chills.
- Sore throat.
- Very bad muscle or joint pain.
- Feeling very tired or weak.
- A very bad pituitary gland problem (pituitary apoplexy) has rarely happened with Trelstar (triptorelin). Most of the time, this has happened within 2 weeks after the first dose. Call your doctor right away if you have a sudden headache, throwing up, passing out, mood changes, eye weakness, not able to move your eyes, or change in eyesight.
- A higher chance of stroke or very bad and sometimes deadly heart problems have been noted with the use of drugs like Trelstar (triptorelin) in men. The chance is low, but get medical help right away if you have chest pain or pressure, a change in strength on 1 side that is greater than the other, trouble speaking or thinking, change in balance, or change in eyesight.
What are some other side effects of Trelstar?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Not able to get or keep an erection.
- Hot flashes.
- Upset stomach.
- Not able to sleep.
- Muscle or joint pain.
- Irritation where the shot is given.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Trelstar?
- If you need to store Trelstar (triptorelin) at home, talk with your doctor, nurse, or pharmacist about how to store it.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Trelstar (triptorelin), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Trelstar (triptorelin)
- Trelstar Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 4 Reviews – Add your own review/rating
- Drug class: gonadotropin releasing hormones
Other brands: Triptodur