Cantil Side Effects

Generic name: mepenzolate

Medically reviewed by Drugs.com. Last updated on Mar 21, 2025.

Note: This document provides detailed information about Cantil Side Effects associated with mepenzolate. Some dosage forms listed on this page may not apply specifically to the brand name Cantil.

Applies to mepenzolate: oral tablet.

Important warnings This medicine can cause some serious health issues

You should not take this medication if you are allergic to mepenzolate, or if you have problems with urination, a blockage in your intestines, severe ulcerative colitis, glaucoma, or myasthenia gravis.

Before taking mepenzolate tell your doctor if you have diarrhea, numbness or tingling in your hands or feet, liver or kidney disease, ulcerative colitis, heart disease, high blood pressure, overactive thyroid, hiatal hernia, acid reflux disease, an enlarged prostate, asthma, or any allergies.

Mepenzolate can cause side effects that may impair your vision, thinking, or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Avoid drinking alcohol. It can increase some of the side effects of mepenzolate.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Mepenzolate can decrease sweating, and you could develop heatstroke more easily.

Stop using mepenzolate and call your doctor at once if you stop urinating, or if you have hallucinations, confusion, unusual thoughts or behavior, or if you have fast, uneven, or pounding heartbeats.

Get emergency medical help if you have any of these signs of an allergic reaction while taking mepenzolate (the active ingredient contained in Cantil) hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using mepenzolate and call your doctor at once if you have any of these serious side effects:

• urinating less than usual or not at all;

• confusion, hallucinations;

• unusual thoughts or behavior; or

• fast, pounding, or uneven heartbeats.

Less serious side effects of mepenzolate may include:

• drowsiness, dizziness, headache;

• blurred vision;

• memory problems;

• problems with balance or coordination;

• nausea, vomiting, constipation, bloating; or

• decreased sweating.

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

Further information

Cantil 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