Side Effects of Finasteride

  Libido

  • Decreased or complete loss of sex drive

Erection

  • Erectile dysfunction, impotence
  • Loss of morning and spontaneous erections

Orgasm Disorders 

  • Sexual anhedonia, loss of pleasurable orgasm

Ejaculatory Disorders

  • Decreased semen volume and force

Penis

  • Penile shrinkage and numbness
  • Peyronie’s disease

Testes

  • Scrotal shrinkage and numbness 

Gynecomastia 

  • Female-like breast development and enlargement

Fatigue

  • Chronic fatigue, listlessness

Muscle

  • Muscle atrophy, weakness
  • Muscle twitching

Skin

  • Decreased oil and sebum production
  • Chronically dry, thinning of skin
  • Melasma (brownish macules and patches that typically affect sun-exposed areas on the face)

Hearing 

  • Tinnitus (ringing in the ears)

Metabolism

  • increased fat deposition, obesity and elevated body mass index
  • decrease in body temperature
  • Reduced HDL cholesterol, raised fasting glucose and triglycerides

Self-Harm

  • Attempted suicide
  • Suicide

Memory 

  • Severe memory/recall impairment

Cognition

  • Slowed thought processes
  • Impaired problem solving, decreased comprehension

Psychological

  • Depression
  • Anxiety
  • Suicidal ideation

Emotional 

  • Emotional flatness and anhedonia

Sleep

  • Insomnia