1. ANALGESICS
2. CENTRAL NERVOUS SYSTEM AGENTS
3. ANTI-ANXIETY AGENTS
4. ANTI-BACTERIAL AGENTS
5. ANTINEOPLASTIC AGENTS
6. ADRENERGIC AGENTS
7. ANTI-INFECTIVE AGENTS
8. DOPAMINE AGENTS
9. ANTI-OBESITY AGENTS
10. ANTIPSYCHOTIC AGENTS
11. CALCIUM CHANNEL BLOCKERS
12. CENTRAL NERVOUS SYSTEM DEPRESSANTS
13. ANGIOTENSIN-CONVERTING ENZYME INHIBITORS
14. ANTI-INFLAMMATORY AGENTS
15. CARDIOVASCULAR AGENTS
16. NARCOTICS
17. ABORTIFACIENT AGENTS
18. ADJUVANTS, ANESTHESIA
19. ANALGESICS, OPIOID
20. ANTI-INFLAMMATORY AGENTS, NON-STEROIDAL