患者男,35岁。因周身肌肉、关节疼痛就诊。查体一般情况好,精神正常,神经反射正常,血抗“O”≥500。拟诊“风寒邪留滞经络”给予疏风定痛丸以祛风散寒,活血止疼。次日复诊,述其服药半小时后感周身发紧,头颈不适,服药两次后,出现肢体颤动,呼吸困难,否认同时服用过其他药物。追问服用剂量,每次均服用了原定药量的2倍(正常量:每次1丸,每天2次)。嘱其仍继续服此药,但剂量减半。两天后,患者述经按规定服用,未再出现上述症状,并感 Patient male, 35 years old. Because of the whole body muscles, joint pain treatment. Physical examination generally good, normal spirit, normal reflex, blood resistance “O” ≥500. To be diagnosed “cold evil lag meridian” to give Shufeng Dingyao Wan to Qufengchuhan, Huoxuezhitong. The next day referral, about half an hour after the medication flu around the body tight, head and neck discomfort, medication twice, there limb tremor, dyspnea, denied taking other drugs at the same time. Asked to take the dose, each time taking the original dose of 2 times (normal: 1 pill each time, 2 times a day). Instruct them to continue to take this medicine, but the dose halved. Two days later, the patient described in accordance with the provisions of taking, no longer the above symptoms, and flu