1病例介绍患者,男,31岁,农民。因外伤致右锁骨骨折,于2005年11月6日入院。入院当天遵医嘱给与头孢曲松钠试敏,试敏前血压:120/80mmHg,P:80次/min,R:20次/min,既往无药物过敏史,经常规头孢曲松钠药敏试验20min后观察结果为阴性,当时病人无任何不良反应。随后臀部肌内注射头孢曲 1 case description Patient, male, 31 years old, farmer. Right traumatic fractures due to trauma, on November 6, 2005 admission. On the day of admission, the doctor gave ceftriaxone sodium test, the test before the blood pressure: 120 / 80mmHg, P: 80 beats / min, R: 20 beats / min, no past history of drug allergy, conventional ceftriaxone sodium sensitivity After 20min test results were negative, when the patient without any adverse reactions. Then intramuscular injection of ceftriaxone intramuscularly