Bentyl: Medication Details

What is Bentyl? Bentyl is the brand name used for selling the drug known as dicyclomine. It is an anticholinergic drug, which means it blocks the action of the neurotransmitter acetylcholine. The United States first approved the use of Bentyl for the treatment of peptic ulcer disease in 1996. Nowadays, doctors recommend it for relievingRead More


What is Bentyl?

Bentyl, also known as dicyclomine, is an anticholinergic drug that blocks the action of the neurotransmitter acetylcholine. It is commonly used to treat muscle spasms in the stomach and intestines, as well as functional bowel or irritable bowel syndrome (IBS). Bentyl can also be used to treat other conditions such as morning sickness and intestinal hypermotility.

Important Information

When taking Bentyl, be cautious as it may impair your thinking or reactions. It is important to avoid activities that require alertness, such as driving. Drinking alcohol while on Bentyl can worsen its side effects. Additionally, it is crucial to stay hydrated and avoid overheating in hot weather or during exercise, as Bentyl can reduce sweating and potentially lead to heatstroke.

If you experience serious side effects such as hallucinations, confusion, fast or uneven heart rate, unusual thoughts or behavior, or a decrease in urination, stop taking Bentyl immediately and seek medical attention.

Inform your doctor about all medications you are taking, including over-the-counter and prescription drugs, as well as vitamins, minerals, and herbs. Do not start any new medication without consulting your doctor.

What to know before taking Bentyl?

Avoid taking Bentyl if you are allergic to it or if you have certain conditions such as gastroesophageal reflux disease (GERD), severe ulcerative colitis or toxic megacolon, problems with urination, myasthenia gravis, bowel obstruction or severe constipation, glaucoma, a critical heart condition, active bleeding, or if you are breastfeeding.

Inform your doctor if you have liver or kidney disease, ulcerative colitis, an enlarged prostate, an ileostomy or colostomy, hiatal hernia, a nerve problem, high blood pressure, heart disease, a heart rhythm disorder, congestive heart failure, or if you are pregnant or planning to become pregnant.

How to take Bentyl?

Take Bentyl exactly as prescribed by your doctor. Do not exceed the recommended dosage or duration of treatment. It is typically taken orally as a liquid, tablet, or capsule, four times a day at consistent intervals.

Measure liquid medicine with a special dose-measuring spoon or cup, and store the medication at room temperature away from heat and moisture.

Bentyl dosage

The usual adult dose for irritable bowel syndrome is an initial dose of 20 mg taken orally four times a day. The maintenance dose can be increased to up to 40 mg taken orally four times a day after one week.

Intramuscular administration is an alternative option with a typical dosage of 10 to 20 mg taken four times a day for 1 or 2 weeks when oral administration is not possible.


Taking more than the prescribed amount of Bentyl can lead to dangerous levels of the drug in your body. Symptoms of overdose may include headache, nausea, vomiting, blurred vision, dilated pupils, hot and dry skin, dizziness, dry mouth, difficulty swallowing, seizures, muscle weakness, and paralysis. In case of overdose, seek immediate medical attention or contact a poison helpline.

What to avoid while using Bentyl?

Avoid activities that require mental alertness and clear vision as Bentyl may cause blurred vision and impair thinking or reactions. Be cautious of becoming overheated or dehydrated during exercise or in hot weather. It is also advised to avoid alcohol while taking Bentyl.

Bentyl side effects

Common side effects of Bentyl include blurry vision, nausea, sleepiness, dry mouth, dizziness, nervousness, and weakness. These side effects are usually mild and may diminish over time. However, if they persist or worsen, consult your doctor or pharmacist.

Serious side effects may include eye problems, skin problems, abnormal or rapid heart rate, allergic reactions, temporary episodes of memory loss, irritation, confusion, delusions, disorientation, hallucinations, sudden mood or behavior changes, and decreased breast milk production in breastfeeding women. If you experience severe side effects, seek medical attention immediately.

What drugs can interact with Bentyl?

Bentyl can interact with other medications, vitamins, or herbal products. It is important to inform your doctor about all the medications you are taking to avoid potential interactions. Medications that may interact with Bentyl include amantadine, digoxin, metoclopramide


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