Drug

Medicinal Use

Aspirin

Meadowsweet (Filipendula ulmaria)

analgesic, inflammation

Atropine

Belladonna (Atropa belladonna)

ophthalmology

Caffeine

Tea (Camellia sinensis)

stimulant

Colchicine

Autumn crocus (Aolchicum autumnale)

gout

Dicoumarol

Melilot, Sweet Clover (Melilotus officinalis)

thrombosis

Digitoxin

Digitalis (Digitalis purpurea)

atrial fibrillation

Ephedrine

Ephedra (Ephedra sinica)

bronchodilator

Eugenol

Clove (Syzygium aromaticum)

toothache

Gallotanins

Witch Hazel (Hamamelis virginiana)

hemorrhoid suppository

Morphine

Poppy (Papaver somniferum)

analgesic

Proscillaridin

Squill (Drimia maritima)

cardiac malfunction

Quinine

Cinchona bark (Cinchona pubescens)

malaria prophylaxis

Sennoside A,B

Senna (Cassia senna)

laxative

Scopolamine

Stramonium leaf (Datura stramonium)

motion sickness

THC

Hemp (Cannabis sativa)

antiemetic

Vincristine

Rosy periwinkle (Catharanthus roseus)

pediatric leukemia