Active Ingredient

Dicyclomine

Dicyclomine is a medication used to relieve muscle spasms in the gastrointestinal tract. It is commonly prescribed for conditions that involve painful muscle contractions.

By relaxing the muscles in the stomach and intestines, Dicyclomine helps to alleviate discomfort and improve symptoms associated with digestive issues.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Dicyclomine Brands

Bentyl

Strengths 20mg

Dicyclomine Uses

Dicyclomine is typically used to manage conditions that cause abdominal pain and discomfort.

Relief of muscle spasms in the gastrointestinal tract
Treatment of irritable bowel syndrome (IBS)
Management of functional bowel disorders
Alleviation of stomach cramps

How Dicyclomine Works

Dicyclomine works by blocking the action of a neurotransmitter called acetylcholine on the muscles in the gastrointestinal tract. This action helps to relax the muscles and reduce spasms.

As an anticholinergic, Dicyclomine reduces the contractions of the smooth muscles, providing relief from pain and discomfort.

Common side effects of Dicyclomine

Not everyone experiences side effects from Dicyclomine, and many of them are mild and temporary.

Dizziness
Dry mouth
Blurred vision
Nausea
Constipation
Weakness
Difficulty urinating

If you experience serious or persistent symptoms, contact your healthcare provider.

Avoid driving or operating heavy machinery if you feel dizzy or drowsy after taking Dicyclomine.
Limit alcohol consumption, as it may increase certain side effects of the medication.
Inform your doctor about any other medications you are taking to avoid potential interactions.
Do not use Dicyclomine if you have certain medical conditions, such as severe ulcerative colitis or myasthenia gravis, without consulting a doctor.
Monitor your symptoms and report any unusual changes to your healthcare provider.

Always consult your doctor for personalized medical advice and before making any changes to your medication regimen.

Frequently Asked Questions

What is Dicyclomine used for?

Dicyclomine is used to relieve muscle spasms in the gastrointestinal tract, often for conditions like irritable bowel syndrome.

How quickly does Dicyclomine work?

Dicyclomine typically begins to work within a short period after taking it, but the exact onset can vary between individuals.

How long does the effect of Dicyclomine last?

The duration of Dicyclomine’s effects can vary, but it generally provides relief for several hours. Consult your doctor for more information.

Can I take Dicyclomine with other medications?

It’s important to inform your doctor about all medications you are taking, as Dicyclomine may interact with other drugs.

Is Dicyclomine safe for everyone?

Dicyclomine may not be suitable for everyone, especially those with certain medical conditions. Always consult your doctor before use.