DRUGS ACTING ON NERVOUS SYSTEM ( Herbal Drugs)

 TEA LEAVES

Biological Source:-

It contains the prepared leaves and leaf buds of Thea sinensis , belonging to family Theaceae.

Chemical Constituents:-  TEA contains

·         caffeine 

·         theobromine and

·         theophylline

Uses:-

·         It is used as stimulant,

·          astringent and

               also as diuretic.

COCA

Synonyms: - Coca, Cuca, Cocaine, Folium cocae, Peruvian coca. 

Biological Source:-                                                                                             

Coca consists of the dried leaves of various species of Eryth-mxylon, that is, Erythroxylon coca, belonging to family Erythroxylaceae.

Chemical Constituents: - Coca contains

·         Cocaine

·         Cocamine

·         Tropacocaine

Uses:-

·         Cocaine has stimulant action on CNS.

·          local anesthetic

·         minor local surgery of ophthalmic, ear, nose and throat

·         during convalescence, to relieve nausea, vomiting and pains of the stomach without upsetting the digestion