Cholinoceptor Blockers Flashcards Preview

P Pha T > Cholinoceptor Blockers > Flashcards

Flashcards in Cholinoceptor Blockers Deck (6):
1

Competitively blocks all muscarinic receptors. It restores neurotransmitter balance in the basal ganglia. It is used for Parkinson's disease. It reduces tremors more than bradykinesia or rigidity.

Benztropine

MNEMONICS for muscarinic antagonists for Parkinsonism:
Try to Park your Benz, Beep here.
Trihexyphenidyl
Benztropine
Biperiden

2

Blocks muscarinic receptors in bronchial smooth muscle. Prevents vagal-stimulated bronchoconstriction. Used in asthma and COPD.

Ipatropium
SimD: Tiotropium

3

Competitively blocks all muscarinic receptors. Antagonizes histamine and serotonin. Used for motion sickness. Applies as transdermal patch.

Scopolamine

4

Competitively blocks M3 receptors. Used for IBS and minor diarrhea.

Dicylomine

5

Slightly blocks M3 receptors. Reduces detrusor muscle tone and is used for urge incontinence. Also used for post-operative spasms.

Oxybutinin

6

MNEMONICS for atropine toxicity

Hot as a hare (hyperthermia)
Dry as a bone (decreased secretion)
Red as a beet (cutaneous vasodilation)
Blind as a bat (blurred vision)
Mad as a hatter (CNS toxicity)

NOTE: Atropine is a muscarinic antagonist (blocks all M receptors

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