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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Dulcolax, Fleet Bisacodyl, Magic Bullet


This medication is a stimulant laxative. It acts by irritating the digestive tract and stimulates intestinal activity. It is used to treat constipation or to clean out the intestinal tract before bowel examinations or bowel surgery.

How To Use

To use the suppository, unwrap it and moisten it slightly in lukewarm water. Lie on your left side with the right knee slightly bent. Insert the suppository into the rectum with your finger. If possible, avoid a bowel movement for 10 to 15 minutes to allow the medication to work.

Side Effects

This medication may cause stomach ache, cramping, weakness, sweating, irritation of the rectal area, diarrhea, or dizziness. Notify your doctor if you experience: chest pain, fainting, rectal bleeding, lack of bowel movements. Frequent use of laxatives can cause dehydration and loss of essential nutrients. Symptoms include muscle cramps, muscle weakness or dizziness. Maintain an adequate fluid intake while using this medication. If you notice other effects not listed above, contact your doctor or pharmacist.


Do not use bisacodyl without consulting your doctor if you have: severe nausea, vomiting, gastritis, other stomach or intestinal problems, recent abdominal surgery, rectal bleeding, vitamin/mineral deficiencies, appendicitis, allergy to bisacodyl. If the patient is under 6 years of age, consult child's doctor before using this medication. Before using bisacodyl, tell your doctor if you are pregnant. It is not known if bisacodyl passes into breast milk. Consult your doctor if you are breast-feeding.

Drug Interactions

Tell your doctor of all prescription and nonprescription medication you may use. Do not stop or start any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. This medicine may be harmful if swallowed. If you or someone you know may have taken this medicine by mouth, contact your local poison control center or emergency room immediately.


Laxatives should only be used temporarily until normal bowel habits return. Prolonged use can lead to laxative dependence. To prevent constipation: drink 4 to 6 glasses of water daily, include bulk or roughage in your diet, and exercise regularly.

Missed Dose

If you miss a dose, skip the missed dose. Do not double the dose.


Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from moisture and sunlight. Do not store in the bathroom.