title: What to do when oral treatment fails?
mesh_terms: D000284:Administration, Oral; D000527:Alprostadil / Q000008:administration & dosage; D004359:Drug Therapy, Combination; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D015917:Penile Prosthesis; D010413:Penis / Q000187:drug effects; D011613:Psychotherapy; D020018:Sexual Dysfunctions, Psychological / Q000628:therapy; D017211:Treatment Failure; D014521:Urethra / Q000187:drug effects; D014619:Vacuum Curettage
chemical_list: D000527:Alprostadil