All local anesthetic produces vasodilation on local application except
Correct Answer: Cocaine
Description: Cocaine is a vasoconstrictor as it is sympathomimetic. * Cocaine was the first local Anesthetic to be used clinically. IT is only natural local anesthetic. Koller introduced this in the field of ophthalmology. It is the only local anesthetic with vasoconstrictor action. It is sympathomimetic and inhibits metabolism of catecholamine. * Procaine - 1st synthetic local anesthetic. It is used primarily to reduce the pain of intramuscular injection of penicillin. * Chloroprocaine - It is shoest acting local anesthetic used for sho procedures * Benzocaine - Is a common ingredient in topical sprays, can also cause methemeglobinamia. (See complications) * Tetracaine - Also called amethocaine mostly used topically.
Category:
Anaesthesia
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now