Objective: To determine the drugs causing allergy in No.108 Military Central Hospital from 7/2012 to 7/2013. Materials and methods: 69 patients were recognized suffering drug allergy. Results: Rate of allergy with antibiotic is 26.1 percent (cefuroxim 27.7 percent, amoxilin 22.1 percent, biseptol 11.1 percent...), with analgesic and antipyretic is 19.2 percent (paracetamol 23.1 percent, alphachymo 23.1 percent, decolgen 11.1 percent...), with digestion medications is 17.4 percent (cimetidin 66.7 percent, omeprazol 16.7 percent...), with gout medications is 14,5 percent (allopurinol 60 percent, colchicin 40 percent), with restorative medications is 14,5 percent (vitamin 3B 20 percent, boganic 10 percent...), with cardiovascular medication is 13,1 percent (amlor 25 percent, coversyl 25 percent...), with nerve medications is 11.6 percent (tegretol 25 percent,..), with anti-allergic is 7.3 percent (dofexo 40 percent...), with traditional medicine is 5.8 percent and tuberculosis medications is 1.5 percent... Conclusion: Medications that cause several allergy were antibiotic, analgesic, antipyretic and medications for digestion, gout, restorative and cardiovascular...