Here are the list of some of the major groups of drugs and its alternative natural medicine.

• Analeptic - a drug that stimulates the central nervous system.
• Analgesic - a drug that relieves pain. Example: Analgesic, Aspirin.
• Antiemetic - a drug used to suppress nausea, vomiting and motion sickness.
• Anesthetic (general) - an agent that produces loss of consciousness.
• Anesthetic (local) - a drug that causes loss of sensation in one part of the body.
• Antacid - a drug that counteracts excessive stomach acid. An example is sodium bicarbonate (bicarbonate of soda).
• Antiarthritic - a drug that relieves swelling of inflamed joints.
• Antibiotic - a substance, derived primarily from living microorganisms, that inhibits or kills other microorganisms.
• Anticonvulsant - a drug used to prevent convulsions, as those of epilepsy.
• Antidepressant - a drug used to treat depression.
• Antihistamine - a drug that counteracts the effects of histamine, a substance that can cause allergic reactions and respiratory congestion, as in hay fever and the common cold.
• Antipyretic - a drug that reduces fever. Example is Aspirin
• Antiseptic - a drug that stops the growth of microorganisms.

• Antispasmodic - a drug that eases smooth muscle spasms, as in stomach ulcer or spastic colitis.
• Antitoxin - a substance containing antibodies to counteract the poisons of a specific disease.
• Astringent - a fluid used to externally to contract tissues, and reduce the flow of body fluids.
• Diuretics - a drug that stimulates the flow of urine.
• Hormone - a chemical substance, produced by glands or tissues, that controls various bodily functions. Hormones produced by animals or made synthetically are used in humans to supplement body hormones.
• Hypnotic or Soporific - a drug that induces sleep.
• Laxative or Cathartic - a substance that stimulates bowel movement.
• Narcotic - a drug that relieves pain.
• Relaxant - a drug that relaxes tense muscles.
• Sedative - a drug that calms nervous excitement.
• Stimulant - a drug that increases some kind of body activity. Example is Adrenaline, Amphetamines; Caffeine
• Tranquilizer - a drug that reduce nervous and emotional tension.
• Vasoconstrictor - a substance that narrows the blood vessels for relief from congestion, as in nasal passages.