DRUGS ACTING ON NERVOUS SYSTEM
EPHEDRA
Biological Source:-
Ephedra consists of the dried aerial parts of Ephedra gerardiana , Ephedra nebrodensis and other Ephedra species, belonging to family Ephadreaceae.
Chemical Constituents:- Ephedra contains
· Ephedrine
· Pseudoephedrine
Uses:-
· Ephedrine is antiallergenic,
· antiasthmatic,
· antispasmodic,
· decongestant, cough suppressant, stimulant and vasoconstrictor
OPIUM
Synonyms:- Crude Opium; Raw Opium; Gum Opium
Biological Source:-
Opium is the air dried milky latex obtained by incision from the unripe capsules of Papaver somniferum , belonging to family Papaveraceae.
Chemical Constituents:- Opium contains
· morphine
· papaverine
· noscapine
· Codeine
Uses:-
· narcotic,
· analgesic and sedative action
· and used to relieve pain,
· diarrhoea dysentery and cough
· used as antispasmodic



