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Atropine Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Atropine Sulfate Injection is an antimuscarinic agent used to treat bradycardia (low heart rate), reduce salivation and bronchial secretions before surgery, as an antidote for overdose of cholinergic drugs or mushroom poisoning. Common side effects of atropine sulfate include:
- dry mouth,
- blurred vision,
- sensitivity to light,
- lack of sweating,
- loss of balance,
- hypersensitivity reactions (such as skin rash), and
- rapid heartbeat (tachycardia).
Initial single doses of Atropine Sulfate in adults vary from 0.5 mg to 1 mg (5 - 10 mL of the 0.1 mg/mL solution) for antisialagogue and other antivagal effects, to 2 to 3 mg (20 - 30 mL of the 0.1 mg/mL solution) as an antidote for organophosporous or muscarinic mushroom poisoning. Atropine Sulfate may interact with other drugs. Tell your doctor all medications and supplements you use. During pregnancy, Atropine Sulfate should be used only if prescribed. Consult your doctor before breastfeeding.
Our Atropine Sulfate Injection Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Atropine FDA Prescribing Information: Side Effects
Most of the side effects of atropine are directly related to its antimuscarinic action. Dryness of the mouth, blurred vision, photophobia and tachycardia commonly occur with chronic administration of therapeutic doses. Anhidrosis also may occur and produce heat intolerance or impair temperature regulation in persons living in a hot environment. Constipation and difficulty in micturition may occur in elderly patients. Occasional hypersensitivity reactions have been observed, especially skin rashes which in some instances progressed to exfoliation.
Adverse effects following single or repeated injections of atropine are most often the result of excessive dosage. These include palpitation, dilated pupils, difficulty in swallowing, hot dry skin, thirst, dizziness, restlessness, tremor, fatigue and ataxia. Toxic doses lead to marked palpitation, restlessness and excitement, hallucinations, delirium and coma. Depression and circulatory collapse occur only with severe intoxication. In such cases, blood pressure declines and death due to respiratory failure may ensue following paralysis and coma.
Read the entire FDA prescribing information for Atropine (Atropine)
Additional Atropine Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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