Propantheline Side Effects

Medically reviewed by Drugs.com. Last updated on May 22, 2023.

Applies to propantheline: oral tablet.

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:

• diarrhea;

• fast or pounding heartbeats, fluttering in your chest;

• eye pain or redness, seeing halos around lights;

• painful or difficult urination; or

• little or no urination.

Common side effects may include:

• dry mouth, nose, or throat;

• blurred vision;

• constipation;

• headache, dizziness, drowsiness;

• confusion or feeling nervous;

• decreased sweating;

• nausea, vomiting, bloating;

• decreased sense of taste;

• impotence, sexual problems; or

• sleep problems (insomnia).

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.

Gastrointestinal

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

Ocular

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

Dermatologic

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

Cardiovascular

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

Nervous system

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

Genitourinary

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

Psychiatric

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

Respiratory

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

Hypersensitivity

Frequency not reported: Anaphylaxis^[Ref]

Metabolic

Frequency not reported: Thirst^[Ref]

Other

Frequency not reported: Weakness^[Ref]

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.

Medical Disclaimer