Compound Library

Oral Steroid / Oral

Ethisterone (Oral Progesterone Derivative)

Oldest synthetic progestogen. Mild anabolic activity. Used historically for gynaecological conditions. Weak androgen with progestogenic activity.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose25–50 mg/day (historical)
Half-life8 hours
Risk flagmoderate
Regulatory noteReview required

Side effects and watch-outs

  • Progestogenic effects
  • Mood changes
  • Water retention
  • Mild androgenic effects
  • Rarely used in modern practice