title: Letter: Collapse after prazosin hydrochloride.
mesh_terms: D000959:Antihypertensive Agents / Q000009:adverse effects* / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects; D005260:Female; D005663:Furans / Q000009:adverse effects / Q000494:pharmacology; D006801:Humans; D007024:Hypotension, Orthostatic / Q000139:chemically induced*; D008875:Middle Aged; D010879:Piperazines / Q000009:adverse effects / Q000494:pharmacology; D011799:Quinazolines / Q000009:adverse effects* / Q000494:pharmacology
chemical_list: D000959:Antihypertensive Agents; D005663:Furans; D010879:Piperazines; D011799:Quinazolines