There have been inadequate warnings that erectile dysfunction drugs can cause blindness.
Wolfe
Sidney M
SM
D001766:Blindness / Q000453:epidemiology*; D002243:Carbolines / Q000627:therapeutic use*; D011307:Drug Prescriptions / Q000706:statistics & numerical data; D064420:Drug-Related Side Effects and Adverse Reactions; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000453:epidemiology*; D006801:Humans; D007093:Imidazoles / Q000627:therapeutic use*; D015994:Incidence; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000627:therapeutic use; D000068581:Tadalafil; D014227:Triazines / Q000627:therapeutic use; D014481:United States / Q000453:epidemiology; D000069058:Vardenafil Dihydrochloride; D014665:Vasodilator Agents / Q000627:therapeutic use; D014741:Video Recording
D002243:Carbolines; D007093:Imidazoles; D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014227:Triazines; D014665:Vasodilator Agents; D000069058:Vardenafil Dihydrochloride; D000068581:Tadalafil; D000068677:Sildenafil Citrate