title: Tadalafil (Cialis) once a day for erectile dysfunction.
mesh_terms: D002243:Carbolines / Q000009:adverse effects / Q000627:therapeutic use*; D004347:Drug Interactions; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects / Q000627:therapeutic use*; D000068581:Tadalafil
chemical_list: D002243:Carbolines; D058986:Phosphodiesterase 5 Inhibitors; D010726:Phosphodiesterase Inhibitors; D000068581:Tadalafil