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Care365 medication guide
Orlistat
Reduces dietary fat absorption to support weight management.
Drug information
Uses, directions and safety information for Orlistat.
What it is used for
Reduces dietary fat absorption to support weight management.
How to use it
Take with a fat-containing main meal or within one hour after it. Skip if the meal is skipped or fat-free; separate vitamins.
Before use
Avoid chronic malabsorption, cholestasis and ingredient allergy.
Possible side effects
Oily stools, gas and bowel urgency.
When to get medical help
Jaundice, persistent severe abdominal pain or rectal bleeding needs assessment.
Medicines and interactions
Review cyclosporine, warfarin, levothyroxine and vitamin timing.
Pregnancy and breastfeeding
Do not use during pregnancy or breastfeeding.
Missed doses, storage and accidental exposure
Follow your own product’s missed-dose instructions. If you are unsure, ask a pharmacist before taking an extra dose. Contraceptives, injections and modified-release medicines may need a specific plan.
Keep the original packaging and follow its storage, expiry and disposal instructions. Keep medicines away from children and pets. Ask about refrigeration, after-opening limits and safe sharps disposal when relevant.
For suspected overdose or accidental swallowing, contact poison control or urgent medical care promptly. Call emergency services for breathing difficulty, collapse or a seizure.
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Follow the advice you receive about treatment, monitoring and next steps.
Related condition guides
Learn about concerns where this medication may be discussed. Treatment depends on your individual assessment.
Prescription renewal and medication review
For a review of Orlistat, have your current dose, reason for treatment, remaining supply, benefits, side effects and pharmacy details ready. Ask your pharmacist or prescriber whether a renewal assessment is available and appropriate. A prescription or renewal is not guaranteed.
Questions about Orlistat
What is Orlistat used for?
Reduces dietary fat absorption to support weight management.
How should I use Orlistat?
Take with a fat-containing main meal or within one hour after it. Skip if the meal is skipped or fat-free; separate vitamins.
What side effects can Orlistat cause?
Oily stools, gas and bowel urgency.
When should I get medical help while using Orlistat?
Jaundice, persistent severe abdominal pain or rectal bleeding needs assessment.
Can Orlistat interact with other medicines?
Review cyclosporine, warfarin, levothyroxine and vitamin timing.
What should I know about Orlistat during pregnancy or breastfeeding?
Do not use during pregnancy or breastfeeding.
Sources and product information
Sources checked 2026-09-08. Safety sections are highlights; consult the full product information for complete warnings and instructions.
Check the Canadian Drug Product Database by product name or DIN for current product information.
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