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Pregnancy Category B

Drug classes


Mechanism of action

Anticholinergic, chemically related to atropine, which blocks vagally mediated reflexes by antagonizing the action of acetylcholine.


  1. Bronchodilator for maintenance treatment of bronchospasm associated with COPD


  1. Hypersensitivity to atropine or its
  2. Acute episodes of bronchospasm.

Use caution in the presence of narrow-angle glaucoma, prostatic hypertrophy, bladder neck obstruction, pregnancy, lactation.

Adverse effects

  • CNS: Nervousness, dizziness, headache, fatigue, insomnia, blurred vision
  • GI: Nausea, GI distress, dry mouth
  • Respiratory: Cough, exacerbation of symptoms, hoarseness
  • Other: Palpitations, rash
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