HerbsRx
Strong evidence

Senna

The leaves and pods of Senna alexandrina, containing anthraquinone glycosides (sennosides A and B). Sennosides pass unabsorbed to the colon, where colonic bacteria cleave them into active rhein anthrone, stimulating myenteric plexus contractions (peristalsis) and active water secretion into the bowel within 6-12 hours.

What Senna is used for

  • Acute Constipation
  • Bowel Cleansing (Pre-procedure / Colonoscopy Prep)

Pharmaceuticals Senna is studied as a natural alternative to

  • Ex-Lax
  • Senokot
  • Dulcolax (Bisacodyl)
  • MiraLAX
  • Fleet Enema

Educational information only — never stop or change a prescribed medication without talking to your prescriber first.

Safety and warnings

⚠️

FOR SHORT-TERM ACUTE USE ONLY (up to 7 days). Chronic overuse can cause laxative dependence, electrolyte disturbances (hypokalemia), dehydration, and melanosis coli. Do NOT use if experiencing abdominal pain of unknown origin, bowel obstruction, or during pregnancy.

Evidence level: Strong

Checking access...

Accept terms to use AI Coach