Description- This book covers maximum on pharmacological classification, properties, assay and uses of the drugs. Pharmacological classification of drugs has been given with adequate examples. Chemical nature, derivative or nucleus of each drug is given so as to make a chemical classification by the student himself. This book is meant and well suited for undergraduate students from their exam point of view. It can also be used for introductory study on Synthetic Chemistry. Contents- 1- General Procedure for Assays 2- Physicochemical Properties in Relation to Drug Absorption 3- Analeptics 4- Antidepressants 5- Tranquilizers 6- Sedatives and Hypnotics 7- General anaesthetics 8- Anticonvulsants 9- Narcotic Analgesics 10- Local anaesthetics 11- Adrenergic Drugs 12- Cholinergic drugs 13- Antiadrenergic drugs 14- Anticholineric drugs 15- Skeletal Muscle Relaxants 16- Antiparkinsonian drugs 17- Non- Narcotic analgesics antipyretics 18- Diuretics 19- Antihypertensives 20- Vasodilators 21- Anti Arrhythmic drugs 22- Hypolipidaemic drugs 23- Anti Thyroid drugs 24- Oral Hypoglycemic drugs 25- Coagulants 26- Anti Coagulants 27- Anti Histamines 28- H- Blockers 29- Anti Cancer drugs 30- Anti Leprotic drugs 31- Antimalarial drugs 32- Anti Tubercular drugs 33- Anti Fungal drugs 34- Sulphonamides 35- Anti Helmintic drugs 36- Antiamoebic drugs 37- Medicinal Dyes 38- Antiseptics and Disinfectants 39- Structure Activity Relationship of drugs