Drug reference
atropine
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Miscellaneous (Miscellaneous)
Mechanism of action
Blocks the action of acetylcholine resulting in relaxation of the cholinergically innervated sphincter muscle of the iris. Cholinergic stimulation of the accommodative ciliary muscle of the lens is also blocked. Anticholinergic effects of atropine sulfate in the eye produce dilation of the pupil (mydriasis) and paralysis of accommodation.
Common side effects
- Insomnia
- Dry mouth
- Headache
- Fever
- Ataxia
Known interactions (1)
- atropine + epinephrine Moderate
Related conditions
Frequently asked questions
What drug class is atropine?
atropine belongs to: Miscellaneous.
How does atropine work?
Blocks the action of acetylcholine resulting in relaxation of the cholinergically innervated sphincter muscle of the iris. Cholinergic stimulation of the accommodative ciliary muscle of the lens is also blocked. Anticholinergic effects of atropine sulfate in the eye produce dilation of the pupil (mydriasis) and paralysis of accommodation.
What are the common side effects of atropine?
Insomnia, Dry mouth, Headache, Fever, Ataxia
Which drugs interact with atropine?
epinephrine
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