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Bentyl vs. Levsin

  • Medical and Pharmacy Editor: John P. Cunha, DO, FACOEP
    John P. Cunha, DO, FACOEP

    John P. Cunha, DO, FACOEP

    John P. Cunha, DO, is a U.S. board-certified Emergency Medicine Physician. Dr. Cunha's educational background includes a BS in Biology from Rutgers, the State University of New Jersey, and a DO from the Kansas City University of Medicine and Biosciences in Kansas City, MO. He completed residency training in Emergency Medicine at Newark Beth Israel Medical Center in Newark, New Jersey.

Are Bentyl and Levsin the Same Thing?

Bentyl (dicyclomine) and Levsin (hyoscyamine) are anticholinergics prescribed for irritable bowel syndrome (IBS).

Levsin is also used to treat different stomach and intestinal disorders, including peptic ulcer. Levsin is also used to control muscle spasms in the bladder, kidneys, or digestive tract, and to reduce stomach acid. Levsin is sometimes used to reduce tremors and rigid muscles in people with symptoms of Parkinson's disease, and is also used as a drying agent to control excessive salivation, runny nose, or excessive sweating.

What Are Possible Side Effects of Bentyl?

Common side effects of Bentyl include:

What Are Possible Side Effects of Levsin?

Common side effects of Levsin include:

  • dizziness,
  • drowsiness,
  • nervousness,
  • blurred vision,
  • dry mouth,
  • vision problems,
  • headache,
  • trouble sleeping (insomnia),
  • constipation,
  • nausea,
  • vomiting,
  • bloating,
  • heartburn,
  • changes in taste,
  • problems with urination,
  • impotence,
  • loss of interest in sex,
  • trouble having an orgasm,
  • flushing,
  • dry skin, and
  • decreased sweating.

Tell your doctor if you experience unlikely but serious side effects of Levsin including:

  • mental/mood changes (e.g., confusion, unusual excitement),
  • fast/irregular heartbeat,
  • loss of coordination, or
  • slurred speech.

What is Bentyl?

Bentyl (dicyclomine) is an anticholinergics prescribed for irritable bowel syndrome (IBS).

What is Levsin?

Levsin (hyoscyamine) is one of the principal anticholinergic/antispasmodic components of belladonna alkaloids used to treat different stomach and intestinal disorders, including peptic ulcer and irritable bowel syndrome. Levsin is also used to control muscle spasms in the bladder, kidneys, or digestive tract, and to reduce stomach acid. Levsin is sometimes used to reduce tremors and rigid muscles in people with symptoms of Parkinson's disease, and is also used as a drying agent to control excessive salivation, runny nose, or excessive sweating.

What Drugs Interact With Bentyl?

Bentyl may interact with amantadine, MAO inhibitors, phenothiazines, or antidepressants.

Bentyl may also interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, or anxiety), digoxin, metoclopramide, atropine, belladonna, benztropine, dimenhydrinate, methscopolamine, scopolamine, bronchodilators, bladder or urinary medications, heart rhythm medications, irritable bowel medications, nitrates, steroids, or ulcer medications.

What Drugs Interact With Levsin?

Levsin may interact with amantadine, MAO inhibitors, phenothiazines, or antidepressants.

Levsin may also interact with haloperidol.

How Should Bentyl Be Taken?

The usual doses of Bentyl range from from 20 - 40 mg given 4 times daily.

How Should Levsin Be Taken?

Dosage of Levsin for adults and children 12 years of age and older: 1 to 2 tablets every four hours or as needed. Do not exceed 12 tablets in 24 hours. Pediatric patients 2 to under 12 years of age: ½ to 1 tablet every four hours or as needed. Do not exceed 6 tablets in 24 hours.

Reviewed on 4/17/2019

References:
RxList. Bentyl Medication Guide.
https://www.rxlist.com/bentyl-drug.htm#medguide
RxList. Levsin Medication Guide.
https://www.rxlist.com/levsin-drug.htm#medguide

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