title: Erectile dysfunction and the drugs to treat it.  In many cases, medications are all a man needs to stay sexually active.
mesh_terms: D000368:Aged; D002243:Carbolines / Q000627:therapeutic use; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D007093:Imidazoles / Q000627:therapeutic use; D008019:Life Style; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors / Q000627:therapeutic use*; D010879:Piperazines / Q000627:therapeutic use; D011687:Purines / Q000627:therapeutic use; D011743:Pyrimidines / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000627:therapeutic use; D000068581:Tadalafil; D014227:Triazines / Q000627:therapeutic use; D000069058:Vardenafil Dihydrochloride
chemical_list: D002243:Carbolines; D007093:Imidazoles; D058986:Phosphodiesterase 5 Inhibitors; D010879:Piperazines; D011687:Purines; D011743:Pyrimidines; D013450:Sulfones; D014227:Triazines; D000069058:Vardenafil Dihydrochloride; D000068581:Tadalafil; D000068677:Sildenafil Citrate; C553414:avanafil