Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the pupils. Medical uses Īn ampoule containing atropine injection 1mL/0.5mg Eyes It was first isolated in 1833, It is on the World Health Organization's List of Essential Medicines. Ītropine occurs naturally in a number of plants of the nightshade family, including deadly nightshade (belladonna), Jimson weed, and mandrake. It is an antimuscarinic (a type of anticholinergic) that works by inhibiting the parasympathetic nervous system.

While there is no evidence that its use during pregnancy causes birth defects, this has not been well studied so sound clinical judgment should be used. It should generally not be used in people with closed-angle glaucoma. Ĭommon side effects include dry mouth, abnormally large pupils, urinary retention, constipation, and a fast heart rate. Large doses may be required to treat some poisonings. The intravenous solution usually begins working within a minute and lasts half an hour to an hour.

Eye drops are also available which are used to treat uveitis and early amblyopia. It is typically given intravenously or by injection into a muscle. Atropine is a tropane alkaloid and anticholinergic medication used to treat certain types of nerve agent and pesticide poisonings as well as some types of slow heart rate, and to decrease saliva production during surgery.

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