Health Guide
Drug Guide

Antimuscarinic combination (By mouth)

Treats symptoms of irritable bowel syndrome (IBS). Also treats colitis, peptic ulcers, or other digestive problems. Often used with other medicines.

Brand Name(s):

Antispasmodic, Colytrol, Donnatal, Librax, Phenohytro, Quadrapax

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to atropine, chlordiazepoxide, clidinium, hyoscyamine, phenobarbital, or scopolamine, or any other belladonna alkaloid medicine. You should not use this medicine if you have glaucoma (increased pressure in your eyes), or if you have porphyria. You should not use this medicine if you have an enlarged prostate or trouble urinating, or if you have myasthenia gravis. You should not use this medicine if you have hiatal hernia or certain intestinal problems, such as a blockage in your bowels, or if you have severe colitis (inflammation of the bowel) that has caused ulcers.

How to Use This Medicine:

Tablet, Liquid, Long Acting Tablet, Capsule

If a dose is missed:

How to Store and Dispose of This Medicine:

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 12/12/2016

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