Dicyclomine 20mg

Generic For: Bentyl

Dicyclomine 20mg, sold under the brand name Bentyl, is a prescription antispasmodic used to relieve muscle spasms in the gastrointestinal tract caused by irritable bowel syndrome (IBS). It works by relaxing the smooth muscle of the gut to ease cramping and abdominal discomfort. After review of your prescription by a licensed provider, your order ships from a licensed U.S. pharmacy.

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Buy Dicyclomine 20mg (Bentyl) Online

An antispasmodic (anticholinergic) medication for irritable bowel syndrome (IBS) and intestinal cramping

Dicyclomine 20mg Quick Facts

Drug classAnticholinergic antispasmodic
TreatsIrritable bowel syndrome (IBS), intestinal spasms, functional bowel disorder
FormTablet
Typical dosingTake 1 tablet by mouth 3-4 times daily as needed for abdominal cramping.
Prescription requiredYes — prescription only

What Is Dicyclomine 20mg?

Dicyclomine (brand name Bentyl) is an anticholinergic and antispasmodic medication available as a 20mg tablet. It is FDA-approved to treat functional bowel and irritable bowel syndrome, conditions that cause abdominal cramping, bloating, and changes in bowel habits. Dicyclomine works by blocking acetylcholine receptors in the smooth muscle of the gastrointestinal tract, which reduces muscle spasms. It is typically used short-term and requires a valid prescription from a licensed healthcare provider.

What Does Dicyclomine 20mg Treat?

Irritable bowel syndrome (IBS)
Functional bowel disorder
Intestinal muscle spasms
Abdominal cramping associated with IBS
Colicky abdominal pain from bowel spasm

Dicyclomine 20mg Dosage

Take 20 mg by mouth 4 times daily.
May increase to 40 mg 4 times daily after 1 week if tolerated.
Discontinue if not effective within 2 weeks or if side effects require doses below 80 mg/day.

Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.

Dicyclomine 20mg Side Effects

Common side effects

  • Dry mouth
  • Dizziness
  • Blurred vision
  • Drowsiness
  • Nausea
  • Weakness
  • Nervousness
  • Constipation

Serious side effects

Stop taking this medication and seek medical attention right away if you experience:

  • Confusion, hallucinations, or unusual mood changes
  • Fast or irregular heartbeat (palpitations)
  • Difficulty urinating or urinary retention
  • Severe constipation or inability to pass stool
  • Eye pain or sudden vision changes (possible glaucoma)
  • Signs of allergic reaction (rash, swelling, trouble breathing)

Warnings & Interactions

Do not use in infants under 6 months or while breastfeeding
Contraindicated in glaucoma, myasthenia gravis, obstructive uropathy, GI obstruction, and severe ulcerative colitis
May cause heat prostration in hot weather due to decreased sweating
Avoid alcohol and use caution when driving; may cause drowsiness or blurred vision
Use caution in older adults, who are more sensitive to anticholinergic effects
May interact with other anticholinergics, antihistamines, and certain antidepressants
Use caution with heart disease, hiatal hernia with reflux, or liver/kidney impairment

Tell your prescriber about all medications, supplements, and health conditions before starting dicyclomine 20mg.

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Frequently Asked Questions

What is dicyclomine used for?

Dicyclomine is FDA-approved to treat functional bowel and irritable bowel syndrome (IBS). It relieves abdominal cramping and intestinal spasms by relaxing the smooth muscle of the gastrointestinal tract.

Do I need a prescription for dicyclomine?

Yes. Dicyclomine 20mg is a prescription-only medication in the United States. A licensed healthcare provider must evaluate your condition and issue a valid prescription before it can be dispensed.

How does ordering and shipping work?

After you place your order and provide a valid prescription, a licensed pharmacist reviews it before dispensing. Once approved, your medication ships directly from our licensed U.S. pharmacy to your address.

How should I take dicyclomine 20mg?

The standard adult starting dose is 20 mg by mouth four times daily, which your provider may adjust up to 40 mg four times daily if tolerated. Always follow your prescriber's specific instructions.

Is dicyclomine the same as Bentyl?

Yes. Dicyclomine is the generic name, and Bentyl is the brand name for the same medication. Both contain dicyclomine hydrochloride and work the same way.

What are the most common side effects of dicyclomine?

The most common side effects include dry mouth, dizziness, blurred vision, drowsiness, and nausea. Contact your provider if side effects are severe or if you experience confusion, difficulty urinating, or a rapid heartbeat.

Can older adults take dicyclomine?

Older adults are more sensitive to anticholinergic side effects such as confusion, constipation, and urinary retention. A healthcare provider should carefully weigh the risks and benefits before prescribing dicyclomine to older patients.