Drug interactions
Beta carotene + Orlistat
Severity: Moderate
Beta carotene and Orlistat: moderate interaction.
Last updated
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.
Summary
Orlistat blocks dietary fat digestion and absorption, which reduces absorption of fat-soluble nutrients including beta carotene. Long-term use may lower circulating carotenoid levels.
What this interaction means in plain words
Beta carotene and Orlistat can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Beta carotene belongs to Gastrointestinal Tract; Orlistat belongs to Miscellaneous.
Why it happens
Reduced intestinal fat absorption impairs uptake of lipophilic beta carotene, which depends on dietary fat micelles.
What to do
Take beta carotene or multivitamin supplements at least 2 hours before or after orlistat, ideally at bedtime. Consider monitoring fat-soluble vitamin status in long-term therapy.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Orlistat
- Cyclosporine + Orlistat Major
- Cyclosporin + Orlistat Major
- Orlistat + Triheptanoin Major
- Amiodarone + Orlistat Moderate
- Carbamazepine + Orlistat Moderate
- Cholecalciferol + Orlistat Moderate
Other interactions of Beta carotene
- Beta carotene + Ethanol Moderate
- Beta carotene + Cholestyramine Minor
- Beta carotene + Lutein Minor
- Beta carotene + Mineral oil Minor
- Beta carotene + Verteporfin Minor
- Beta carotene + Vitamin a Minor
Frequently asked questions
Can I take Beta carotene with Orlistat?
MediHelp rates the interaction as moderate. Beta carotene and Orlistat can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Orlistat blocks dietary fat digestion and absorption, which reduces absorption of fat-soluble nutrients including beta carotene. Long-term use may lower circulating carotenoid levels.
How serious is the interaction between Beta carotene and Orlistat?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take beta carotene or multivitamin supplements at least 2 hours before or after orlistat, ideally at bedtime. Consider monitoring fat-soluble vitamin status in long-term therapy.
What other medicines interact with Orlistat?
MediHelp also lists interactions of Orlistat with, for example, Cyclosporine, Cyclosporin, Triheptanoin. The full list is on the Orlistat page.
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