atropine (oral, Atreza, Sal-Tropine - discontinued in the US)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

Irritable Bowel Syndrome (IBS) Facts


  • Atropine may cause drowsiness, dizziness, or blurred vision. Use caution when operating machinery or performing other hazardous activities.
  • Alcohol consumption may increase dizziness or drowsiness while taking atropine.
  • Atropine should not be used by people with narrow angle glaucoma.

PRESCRIPTION: No longer available

GENERIC AVAILABLE: No longer available

PREPARATIONS: Oral tablets: 0.4 mg

STORAGE: Atropine tablets should be stored at room temperature, between 15 C and 30 C (59 F and 86 F).

DOSING: The recommended dose is 0.4 mg every 4 to 6 hours as needed.


Combining atropine with other anticholinergic drugs increases the risk of side effects. Examples of such drugs include

PREGNANCY: There are no adequate and well-controlled studies of atropine in pregnant women.

NURSING MOTHERS: A small amount of atropine is secreted in human milk. Atropine should be used cautiously while breastfeeding.

REFERENCE: FDA Prescribing Information

Medically Reviewed by a Doctor on 10/15/2015

Quick GuideIBS - Irritable Bowel Syndrome: Symptoms, Diet, Treatment

IBS - Irritable Bowel Syndrome: Symptoms, Diet, Treatment
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