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Triptorelin Pamoate Suspension for injection

It is used to treat advanced prostate cancer and endometriosis

Generic Name: triptorelin

Brand Names: Trelstar LA, Trelstar Depot Mixject, Trelstar LA Mixject, Trelstar Depot

There is an FDA Alert for this drug. Click here to view it.

What is this medicine?

TRIPTORELIN (TRIP toe rel in) decreases testosterone in men and estrogen in women. It is used to treat advanced prostate cancer and endometriosis.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • diabetes
  • heart disease or previous heart attack
  • high blood pressure
  • high cholesterol
  • pain or difficulty passing urine
  • spinal cord metastasis
  • stroke
  • tobacco smoker
  • an unusual or allergic reaction to triptorelin, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This medicine is for injection into a muscle. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.

What if I miss a dose?

It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • chasteberry supplements

This medicine may also interact with the following medications:

  • cimetidine
  • herbal or dietary supplements, like black cohosh, DHEA
  • female hormones, like estrogen
  • male hormones, like testosterone
  • medicines for depression, anxiety, or psychotic disturbances
  • methyldopa
  • metoclopramide
  • phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
  • prasterone
  • reserpine

What should I watch for while using this medicine?

Your condition will be monitored carefully while you are receiving this medicine. You will need important blood work done while you are taking this medicine.

During the first weeks of treatment your symptoms may get worse. These should get better as you continue your treatment. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they continue to get worse.

Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breast enlargement in both males and females
  • breathing problems
  • changes in vision
  • confused, not alert, other mental change
  • dark urine
  • new or worsening pain
  • pain, tingling, numbness in the hands or feet
  • swelling of the ankles, feet, hands
  • trouble passing urine or change in the amount of urine
  • vomiting
  • weakness or paralysis

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • change in sex drive or performance
  • constipation or diarrhea
  • dizziness
  • headache
  • hot flashes
  • nausea, stomach upset
  • pain at site where injected

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


Last Updated: May 04, 2010
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