“…Bacterial and viral infections, various drugs, foods, insect bites, and immunizations are among the inciting agents that have been suggested. Among the drugs clarithromycin, angiotensin-converting enzyme inhibitors, quinidine, acetylsalicilic acid, ampicillin, chlorpromazine, ciprofloxacin, and ranitidine have been reported to cause HSP [7]. Our patient was treated with intravenous ranitidine and 1 h later palpable purpuric rashes developed on her buttocks and lower extremities.…”