Desogestrel
Desogestrel is a synthetic progestogen hormone used primarily as a contraceptive. It is commonly found in progestin-only pills (sometimes called the 'mini-pill') and in some combined oral contraceptives. It works by thickening cervical mucus to prevent sperm from reaching the egg and may also suppress ovulation.
Desogestrel is a progestin hormone used for hormonal contraception, primarily in progestin-only birth control pills.
This medication carries a boxed (black box) warning — the strongest type of FDA warning. Review the full prescribing information before use.
Key facts at a glance
- ATC
- G03AC09
- RxNorm
- 22656
- Generic
- Desogestrel
- Class
- atc-g03
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- oral
- Forms
- tablet
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Prevention of pregnancy; may also be used in hormone replacement therapy and treatment of menstrual disorders such as heavy menstrual bleeding, irregular cycles, and endometriosis-related pain.
Thickens cervical mucus to create a barrier against sperm, suppresses ovulation at higher doses, and alters the uterine lining to reduce the likelihood of implantation.
Does not protect against sexually transmitted infections. Should be taken at the same time daily for optimal effectiveness. Not suitable for use during pregnancy. May cause irregular bleeding, especially in the first few months of use. Contraindicated in certain conditions including breast cancer, liver disease, and unexplained vaginal bleeding.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy