Category 1 Drugs Used in Neurological Disease.- Category 2 Hypnotics.- Category 3 The Analgesics.- Category 4 Psychotropic Drugs.- Category 5 Drugs Affecting the Autonomic Nervous System and Motor End-Plate.- Category 6 Drugs used in Cardiac Disease.- Category 7 Drugs used in the Treatment of Hypertensive Disease.- Category 8 Diuretics and Cation Exchange Resins.- Category 9 Drugs Used in Haematology.- Category 10 Antimicrobials.- Category 11 Drugs used in Tropical Medicine.- Category 12 Cytotoxic Drugs.- Category 13 Drugs used in the Treatment of Hormonal Disorders.- Category 14 Miscellaneous Drugs.- Category 15 Vitamins.- Category 16 Vaccines and Sera.- Supplement.