Compare Questran vs. alosetron

Head-to-head comparisons of medication uses, side effects, ratings, and more.

No information currently available
Reduces diarrhea in women with severe irritable bowel syndrome (IBS).

Lotronex (alosetron) is good add-on treatment for severe diarrhea in women with IBS, but shouldn't be used in men or those with constipation-dominant IBS.

No information currently available
  • Good alternative if nothing else has worked to control your diarrhea.
  • Has fewer side effects than other medicines used to treat diarrhea related to IBS.
No information currently available
  • May be expensive if not covered by your insurance.
  • Only treats diarrhea in women with IBS. Not a good choice if you have constipation related to IBS or are a male with IBS.
Used for
  • Hypercholesterolemia; Adjunct Pruritus of skin
  • Associated with partial biliary obstruction
  • Bile acid malabsorption syndrome Familial hypercholesterolemia - heterozygous Hardened arteries (atherosclerosis)
  • Irritable bowel syndrome with severe diarrhea in women
Dosage forms
  • Liquid
  • Pill
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Side effects
The Questran (Cholestyramine) FDA package insert doesn’t have numbers about how common side effects are.
4possible side effects
  • Constipation
  • Stomach pain
  • Diarrhea
  • Hemorrhoid bleeding
See more detailed side effects
Risks and risk factors
No information currently available
  • Serious gastrointestinal problems
    • Daily doses higher than 1 mg
    • Constipation-predominant irritable bowel syndrome
See more detailed risks and warnings