Insidious and prolonged antagonism of guanethidine by amitriptyline.
D000639:Amitriptyline / Q000008:administration & dosage / Q000494:pharmacology*; D001794:Blood Pressure; D003863:Depression / Q000188:drug therapy; D006145:Guanethidine / Q000008:administration & dosage / Q000037:antagonists & inhibitors*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D008297:Male; D008875:Middle Aged
D000639:Amitriptyline; D006145:Guanethidine