Drug effectiveness is an important question, but the harm caused by drug allergies-for instance, drug-induced skin reactions such as Stevens-Johnson syndrome (SJS) -is an even more serious issue.
除了有效性外，藥物過敏──「史蒂文生強生症候群」──對人的危害情況更嚴重。因藥物過敏而全身黏膜潰爛、皮膚起水泡的情況，時有所見。