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What should I discuss with my healthcare provider before taking mepenzolate (Cantil)?

You should not take this medication if you are allergic to mepenzolate, or if you have:

• problems with urination;
• a blockage in your intestines, paralytic ileus, severe ulcerative colitis, toxic megacolon;
• glaucoma; or
• myasthenia gravis.

If you have any of these other conditions, you may need a dose adjustment or special tests to safely take mepenzolate:

• diarrhea (especially if you have a colostomy or ileostomy);
• numbness or tingling in your hands or feet;
• liver or kidney disease;
• ulcerative colitis;
• overactive thyroid;
• congestive heart failure, a heart rhythm disorder, or coronary artery disease;
• high blood pressure (hypertension);
• hiatal hernia or acid reflux disease;
• an enlarged prostate; or
• asthma or any allergies.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether mepenzolate passes into breast milk or if it could harm a nursing baby. Do not take mepenzolate without telling your doctor if you are breast-feeding a baby.

Older adults may be more likely to have side effects from mepenzolate.

How should I take mepenzolate (Cantil)?

Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results from this medication.

Mepenzolate is usually taken 4 times each day, with meals and at bedtime. Follow your doctor's instructions.

Take this medicine with a full glass of water.

Taking this medication may slow down your digestion, causing a bloated feeling or other stomach discomfort. Talk with your doctor if you have concerns about this effect.

Store mepenzolate at room temperature away from moisture, heat, and direct light.

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