About hydroxy progesteron hexanoate
Progestin hormone
Used for
- Historically used to reduce recurrent preterm birth risk in some high-risk pregnancies.
- Use varies by country; it is not approved for this purpose in the United States.
Usual adult dose
Historically, 250 mg intramuscularly once weekly, starting around 16–20 weeks and continuing to 36 weeks or delivery.
Common side effects
- Injection-site pain, swelling, or itching
- Nausea or diarrhea
- Headache or dizziness
- Allergic reactions
Important warnings
- Benefit for preventing preterm birth is uncertain; regulatory recommendations differ.
- Avoid with current or previous blood clots, breast cancer, or serious liver disease.
- Seek urgent care for chest pain, breathing difficulty, severe allergic reaction, or jaundice.
- Prescription use and monitoring are required.
Pregnancy
Historically given during pregnancy for preterm-birth prevention; effectiveness is uncertain and approval varies by country.
Breastfeeding
Human data are limited; discuss use with a healthcare professional.
Interactions
- Medicines affecting liver enzymes may change hormone levels.
- Tell clinicians about all medicines and supplements.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.