Triptorelin - intramuscular/subcutaneous [central precocious puberty]

Patient Medicine Information
Why do I need this medicine?
Triptorelin is used to treat central precocious puberty. It is a condition in which a child’s physical signs (e.g. breast growth, appearance of underarm or pubic hair, menstruation) of sexual maturity develop at an unusually early age.
How do I use this medicine?
Triptorelin injection is given either intramuscularly (into the muscles, usually in the buttocks) or subcutaneously (into the fatty layer under the skin, usually in the abdomen or thighs).

The doctor or nurse will administer the injection for your child.

The dose of this medicine will be decided by the doctor. The doctor will advise you on the treatment timeframe depending on your child’s response to the medication.
What should I do if I have forgotten to use this medicine?
Ensure that your child keeps all appointments with his/her doctor so that your child does not miss any doses. The doctor also needs to regularly monitor your child’s response to Triptorelin.

If your child misses an appointment or misses an injection, alert your doctor or nurse. A replacement appointment or injection should be given as soon as possible.
What should I take note of while using this medicine?
Inform your doctor if your child has the following conditions:
  • progressive brain tumours
  • history of depression
  • with or a history of epilepsy (fits or seizures)
Different brands of Triptorelin are indicated for a specific condition. Do not switch brands unless instructed by your doctor.

If your child is going to have a laboratory test (e.g. test for pituitary gland or gonads), inform the doctor that your child is being treated with this medicine.

Ensure that your child keeps all his/her appointment with the doctor. The doctor needs to monitor your child’s condition and check his/her response to this medicine regularly.
What side effects could I experience?
Triptorelin may cause any of the following side effects: headache, stomach discomfort, weight gain, hot flushes, muscle pain, vaginal bleeding or discharge, acne or pimples, and injection site pain, redness or swelling.

Some side effects may need immediate medical help. Alert your child's doctor quickly if your child experience any of the following:
  • rashes, breathlessness, swelling of the face, eyes, mouth or throat
  • fits or seizures
  • unusual changes in mood or behaviour (being too depressed, irritable, agitated, or having compulsive and impulsive behaviour)
Inform your child’s doctor if any of these side effects do not go away or are severe, or if he/she experience other side effects.
Can I use this with other medicines?
Inform your child’s doctor and pharmacist if your child is taking any of these medicines:
  • medicines for irregular heartbeat e.g. quinidine, disopyramide, amiodarone, sotalol
  • moxifloxacin (certain antibiotic)
  • methadone (strong painkiller)
This list does not include all medicines that may interact with Triptorelin.

Always notify your child’s doctor and pharmacist if he/she is taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a refrigerator between 2-8°C or in a cool, dry place away from the reach of children. Protect from light.

Do not freeze this medicine otherwise it will no longer be effective and should not be used.

Available products of Triptorelin may vary with its storage requirements. Ask the doctor or pharmacist on how to properly store this medicine.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on triptorelin - intramuscular/subcutaneous [central precocious puberty] and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by
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