Bisacodyl and Evacuation
Bisac-Evac is a brand-name stimulant laxative medication primarily used for bowel preparation before medical procedures and for the short-term relief of occasional constipation. It contains bisacodyl as its active ingredient, which works by stimulating the muscles in the colon to promote bowel movements and increase fluid secretion. This medication is typically prescribed when thorough bowel cleansing is required for diagnostic procedures such as colonoscopy, sigmoidoscopy, or certain surgeries.
Bisac-Evac is a stimulant laxative used for bowel cleansing before procedures and for occasional constipation relief.
Key facts at a glance
- RxNorm
- 215693
- Generic
- Bisac-Evac
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Short-term relief of occasional constipation; bowel preparation before diagnostic procedures including colonoscopy, sigmoidoscopy, and other gastrointestinal examinations; preparation for gastrointestinal surgery
Contains bisacodyl, a stimulant laxative that works by directly stimulating nerve endings in the colon lining, promoting peristaltic contractions, and increasing fluid and electrolyte secretion into the intestinal lumen to accelerate bowel evacuation.
For short-term use only; prolonged use may lead to dependence or electrolyte imbalance. Should be taken with adequate fluids. Avoid use in patients with suspected bowel obstruction, severe abdominal pain with nausea/vomiting, or inflammatory bowel disease flare-ups. May cause cramping, abdominal discomfort, or diarrhea. Consult healthcare provider before use if pregnant, breastfeeding, or taking other medications.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed September 3, 2026. · Read our editorial policy