Information on Tablets A-Z
Generic name: Dicyclomine hydrochloride
Why is this drug prescribed: Bentyl is prescribed for the treatment of functional bowel/irritable bowel syndrome (abdominal pain, accompanied by diarrhea and constipation associated with stress).
Most important fact about this drug: Heat prostration (fever and heat stroke due to decreased sweating) can occur with use of this drug in hot weather. If symptoms occur, stop taking the drug and notify your doctor immediately.
How should you take this medication: Take this medication exactly as prescribed. --If you miss a dose... Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Do not take 2 doses at once. --Storage instructions... Store at room temperature. Keep tablets out of direct sunlight. Keep syrup away from excessive heat.
What side effects may occur: Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Bentyl. Side effects may include: Blurred vision, dizziness, drowsiness, dry mouth, light-headedness, nausea, nervousness, weakness Not all of the following side effects have been reported with dicyclomine hydrochloride, but they have been reported for similar drugs with antispasmodic action; contact your doctor if they occur. Abdominal pain, bloated feeling, constipation, decreased sweating, difficulty in urinating, double vision, enlargement of the pupil of the eye, eye paralysis, fainting, headache, hives, impotence, inability to urinate, increased pressure in the eyes, itching, labored, difficult breathing, lack of coordination, lack or loss of appetite, nasal stuffiness or congestion, numbness, rapid heartbeat, rash, severe allergic reaction, sluggishness, sneezing, suffocation, suppression of breast milk, taste loss, temporary cessation of breathing, throat congestion, tingling, vomiting
Why should this drug not be prescribed: If you are sensitive to or have ever had an allergic reaction to Bentyl, you should not take this medication. Make sure your doctor is aware of any drug reactions you have experienced. Unless you are directed to do so by your doctor, do not take this drug if you have a blockage of the urinary tract, stomach, or intestines; severe ulcerative colitis (inflammatory disease of the large intestine); reflux esophagitis (inflammation of the esophagus usually caused by the backflow of acid stomach contents); glaucoma; or myasthenia gravis (a disease characterized by long-lasting fatigue and muscle weakness). This drug should not be given to infants less than 6 months of age or used by women who are nursing an infant.
Special warnings about this medication: Bentyl may produce drowsiness or blurred vision. Therefore, driving a car, operating machinery, or participating in any activity that requires full mental alertness is not recommended. Diarrhea may be an early symptom of a partial intestinal blockage, especially in people who have had bowel removals and an ileostomy or colostomy. If this occurs, notify your doctor immediately. You should use this medication with caution if you have autonomic neuropathy (a nerve disorder); liver or kidney disease; hyperthyroidism; high blood pressure; coronary heart disease; congestive heart failure; rapid, irregular heartbeat; hiatal hernia (protrusion of part of the stomach through the diaphragm); or enlargement of the prostate gland.
Possible food and drug interactions when taking this medication: If Bentyl is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Bentyl with the following: Airway-opening drugs such as Proventil and Ventolin Amantadine (Symmetrel) Antacids such as Maalox Antiarrhythmics such as quinidine (Quinidex) Antiglaucoma drugs such as Pilopine Antihistamines such as Tavist Benzodiazepines (tranquilizers) such as Valium and Xanax Corticosteroids such as prednisone (Deltasone) Digoxin (the heart failure medication Lanoxin) Major tranquilizers such as Mellaril and Thorazine MAO inhibitors (antidepressants such as Nardil and Parnate) Metoclopramide (the gastrointestinal stimulant Reglan) Narcotic analgesics (pain relievers such as Demerol) Nitrates and nitrites (heart medications such as nitroglycerin) Tricyclic antidepressant drugs such as Elavil and Tofranil
Special information if you are pregnant or breastfeeding: The effects of Bentyl during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, notify your doctor. Bentyl does appear in breast milk and could affect a nursing infant. Do not use it when breastfeeding.
Recommended dosage: The usual dosage is 160 milligrams per day divided into 4 equal doses. Since this dose is associated with a significant incidence of side effects, your doctor may recommend a starting dose of 80 milligrams per day divided into 4 equal doses. If no side effects appear, the doctor will then increase the dose. If this drug is not effective within 2 weeks or side effects require doses below 80 milligrams per day, your doctor may discontinue it.
Overdosage: Any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately. Symptoms of a Bentyl overdose include: Blurred vision, difficulty in swallowing, dilated pupils, dizziness, dryness of the mouth, headache, hot, dry skin, nausea, nerve blockage causing weakness and possible paralysis, vomiting