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Progesterone
Pronounced pro-JES-ter-one
Brand names: Prometrium
Type: Progestin hormone · All Women's Health Medicines
What Progesterone is used for
- Protecting the womb lining during estrogen therapy
- Preventing preterm birth in selected patients (specific products)
- Treating absent periods
Common side effects
- Drowsiness
- Dizziness
- Breast tenderness
- Bloating
- Mood changes
Important cautions
- Can cause significant drowsiness — it is typically taken at bedtime
- Should not be used with unexplained vaginal bleeding until that is evaluated
How it comes
Capsules, vaginal gel and inserts, injection. This guide lists forms only — it never lists strengths or doses.
Related medicines — Women's Health Medicines
Condition guides on MedicalVideos.com
- Pregnancy — videos, articles and guides · medicines for pregnancy
- Fertility — videos, articles and guides · medicines for fertility
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.