Drug Name:Finasteride
Drug Class:5-alpha reductase inhibitor
Mechanism of Action:
  • Inhibits the conversion of testosterone to dihydrotestosterone (DHT) by blocking the enzyme 5-alpha reductase
  • Reduces the size of the prostate gland in men with benign prostatic hyperplasia (BPH)
Use:
  • Treatment of BPH
  • Treatment of male pattern baldness (androgenetic alopecia)
Side Effects:
  • Decreased libido
  • Erectile dysfunction
  • Decreased ejaculate volume
  • Breast tenderness or enlargement
  • Depression
Contraindications:
  • Pregnancy (category X)
  • Hypersensitivity to finasteride or any component of the formulation
Specialty:
  • Urology
  • Dermatology