Peptide library / Sexual & reproductive / Carbetocin
Carbetocin
A long-acting oxytocin analog used to prevent bleeding after childbirth outside the United States.
Effects studied or claimed
What it is used or promoted for, and where each effect has actually been seen
- Prevention of postpartum hemorrhageLarge trials
How it is thought to work
Carbetocin binds oxytocin receptors in the uterus and lasts about an hour rather than minutes.
What the evidence shows
A large WHO-supported trial found heat-stable carbetocin non-inferior to oxytocin, which matters for countries without refrigeration.
Safety and unknowns
Nausea, headache and low blood pressure.
Regulatory status
Approved in many countries. Not FDA-approved.
Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.
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General information, not medical advice. Do not buy or inject unregulated peptides.