Anticholinergic Drugs Flashcards
natural sources of atropine
Deadly Nightshade (atropa belladonna)
jimson weed
jameson weed
Natural Alkaloids
Atropine, Hyoscine (Scopolamine)
Semisynthetic derivatives
Ipratropmium bromide
Tiotropium bromide
Quaternary Compounds
Glycopyrrolate
Tertiary Amines
Dicyclomine
Antiparkinsonian
Trihexyphenidyl
Benztropine (Park my Benz)
Atropine effects on CNS
anti motion sickness property
Suppresses tremor and rigidity of parkinsonism
Atropine effects on heart
Blockade of M2 receptors on SA node: increases HR
Atropine effects on eyes
Mydriasis
photophobia
cycloplegia
increased IOP
Atropine effects on glands
M3 blockade
Atropine effects on body temperature
increased due to inhibition of sweating
children are more sensitive - atropine fever
Ipratropium bromide
More effective in COPD than in bronchial asthma
Ipratropium - I Pray I could breath
Dicyclomine
Antispasmodic
Oxybutynin
urinary bladder
M1/M3
Drotaverine
Inhibit PDE4 ->
↑ cGMP & cAMP