Propantheline Side Effects

Medically reviewed by Drugs.com. Last updated on May 22, 2024.

Applies to propantheline: oral tablet.

Important warnings This medicine can cause some serious health issues

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:

• 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 adverse events

• 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

Propantheline side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer