Central nervous system, Drugs acting on CNS Antihypertensive durgs, Hypertension and drugs used in disorder Drugs used in Gastrointestinal disorders Drugs acting on Central Nervous system General anaesthetics, antiepileptics Antibacterials- sulphonamides, cotrimoxazole, Quinolones and fluoroquinolones, nitroimidazoles, Beta lactam antibiotics 
