Propecia Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • The Inability To Have An Erection

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Hypersensitivity Reaction To A Drug
  • A Skin Rash
  • Enlarged Breasts
  • High-Grade Prostate Cancer

If experienced, these tend to have a Less Severe expression

  • Altered Interest In Having Sexual Intercourse
  • Breast Pain
  • Decreased Amount Of Semen Upon Ejaculation
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Low Blood Pressure

RARE side effects


If experienced, these tend to have a Severe expression

  • A Condition With Muscle Tissue Breakdown Called Rhabdomyolysis
  • A Type Of Allergic Reaction Called Angioedema
  • Breast Cancer In A Male Patient
  • Hives
  • Itching
  • Seizures
  • Suicidal Thoughts

If experienced, these tend to have a Less Severe expression

  • A Disease With Shrinking And Weaker Muscles Called Myopathy
  • Depression
  • Low Sperm Count
  • Muscle Pain
  • Muscle Weakness
  • Orgasm Problems
  • Pain In The Testicles
  • Problems With Ejaculation

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.