CENTRAL NERVOUS SYSTEM STIMULANTS - Histamine Antihistamine …
CENTRAL NERVOUS SYSTEM STIMULANTS - Histamine
Mechanism of Action:
Antihistamines is used to treat allergic diseases. It is a competitive antagonism of histamine binding to cellular receptors which are present on nerve endings, smooth muscles. Once it binds to the receptors it prevents histamine from eliciting a response.
Hypersensitivity reactions to drugs.
Chronic Idiopathic Urticaria
Dry mouth, nose and throat.
Increased appetite and weight gain.
Drowsiness or sleepiness
Changes in Vision
Store in room temrparture. Keep away from moisture, heat and direct sunlight. Do not freeze.
Route of Administration:
These drugs are usually given orally , parenteral and rectal.