Antibiotic is a type of antimicrobial drug which are used in treatment and prevention of bacterial infection and the growth of bacteria. Penicillin is used in treating several infections caused by bacteria. Aspirin is an antipyretic and analgesic used to reduce fever and relieve mild to moderate pain from conditions such as muscle aches. toothaches, common cold, and headaches. Paracetamol is an antipyretic. Sulfadiazine is an antibiotic.