Drug reference

senna

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Gastrointestinal Tract (Stimulant Laxative)

Mechanism of action

Senna is thought to act by increasing fluid secretion within and contraction of the large intestine. It is on the World Health Organization's List of Essential Medicines.

Common side effects

  • Excessive bowel activity
  • Electrolyte abnormalities, including hypokalemia
  • Abdominal pain

Contraindications

  • Hypersensitivity GI obstruction or perforation Ulcerative colitis Symptoms of appendicitis or acute surgical abdomen Acute intestinal inflammation (Chron's disease) Fecal impaction GI or rectal bleeding

Related conditions

Frequently asked questions

What drug class is senna?

senna belongs to: Gastrointestinal Tract.

How does senna work?

Senna is thought to act by increasing fluid secretion within and contraction of the large intestine. It is on the World Health Organization's List of Essential Medicines.

What are the common side effects of senna?

Excessive bowel activity, Electrolyte abnormalities, including hypokalemia, Abdominal pain

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