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Propantheline Side Effects

Medically reviewed by Last updated on May 22, 2023.

Applies to propantheline: oral tablet.


You should not take this medicine if you have glaucoma, myasthenia gravis, a blockage in your stomach or intestines, a bladder obstruction, severe ulcerative colitis, or toxic megacolon.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using propantheline and call your doctor at once if you have:

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For Healthcare Professionals

Applies to propantheline: compounding powder, oral tablet.


Frequency not reported: Bloatedness, constipation, decreased salivary secretions, dry mouth/xerostomia, nausea, swallowing difficulty, vomiting[Ref]


Frequency not reported: Accommodation loss, blurred vision, cycloplegia, increased intraocular pressure, increased ocular tension, light sensitivity, mydriasis, pupil dilation[Ref]


Frequency not reported: Allergic dermatitis, anhidrosis/decreased sweating, dry skin, other dermal manifestations, ashes, urticaria[Ref]


Frequency not reported: arrhythmias, Bradycardia, flushing, heat stroke, palpitations, tachycardia[Ref]

Nervous system

Frequency not reported: Dizziness, drowsiness, headache, loss of taste[Ref]


Frequency not reported: Impotence, suppressed lactation, urinary hesitancy, urinary retention[Ref]


Frequency not reported: Insomnia, mental confusion, nervousness[Ref]


Frequency not reported: Difficulty in talking, reduced bronchial secretions[Ref]


Frequency not reported: Anaphylaxis[Ref]


Frequency not reported: Thirst[Ref]


Frequency not reported: Weakness[Ref]


1. Product Information. Propantheline Bromide (propantheline). Roxane Laboratories Inc. 2006.

2. Cerner Multum, Inc. UK Summary of Product Characteristics.

3. Cerner Multum, Inc. Australian Product Information.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.