Medicinehospital

Triptorelin

A hormone injection used to treat advanced prostate cancer.

Clinical information

Common uses

advanced prostate cancer

Common side effects

hot flushes
bone pain
headache
erectile problems
leg swelling or pain

Cautions

testosterone rises briefly at first — symptoms may temporarily worsen
can increase risk of diabetes, heart attack and stroke
severe skin reactions and seizures have been reported
serious allergic reactions can occur

Interactions

medicines that raise prolactin — should not be used together

Pregnancy: avoid — can harm an unborn baby

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, triptorelin pamoate (Trelstar) label, setid b1b84d62-a369-a4b7-5c41-dd1f553a18f3 (accessed 2026-08-16)

Approved brands & formulations3

Brand name	Dosage form	Strength	Importer	Category
Triptorelin	Parenteral ( Injection )	3.75mg	MFDA designated importers with Pre Authorization approval before import	hospital
Triptorelin	Parenteral ( Injection )	22.5 mg	MFDA designated importers with Pre Authorization approval before import	hospital
Triptorelin	Parenteral ( Injection )	11.25mg	MFDA designated importers with Pre Authorization approval before import	hospital