Drug interactions
Beta carotene + Verteporfin
Severity: Minor
Beta carotene and Verteporfin: minor 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
Verteporfin acts through light-activated generation of reactive oxygen species in target tissue. Antioxidants such as beta carotene can quench these species and may blunt the photodynamic effect. The clinical impact is theoretical and not well quantified.
What this interaction means in plain words
Beta carotene and Verteporfin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Beta carotene belongs to Gastrointestinal Tract; Verteporfin belongs to Miscellaneous.
Why it happens
Beta carotene scavenges singlet oxygen and free radicals, theoretically reducing verteporfin phototoxic activity.
What to do
Consider holding high-dose beta carotene supplements around verteporfin therapy sessions, and monitor treatment response.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Beta carotene
- Beta carotene + Ethanol Moderate
- Beta carotene + Orlistat Moderate
- Beta carotene + Cholestyramine Minor
- Beta carotene + Lutein Minor
- Beta carotene + Mineral oil Minor
- Beta carotene + Vitamin a Minor
Other interactions of Verteporfin
- Doxycycline + Verteporfin Moderate
- Griseofulvin + Verteporfin Moderate
- Minocycline + Verteporfin Moderate
- Tetracycline + Verteporfin Moderate
- Adapalene + Verteporfin Minor
- Amlodipine-hydrochlorothiazide-valsartan + Verteporfin Minor
Frequently asked questions
Can I take Beta carotene with Verteporfin?
MediHelp rates the interaction as minor. Beta carotene and Verteporfin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Verteporfin acts through light-activated generation of reactive oxygen species in target tissue. Antioxidants such as beta carotene can quench these species and may blunt the photodynamic effect. The clinical impact is theoretical and not well quantified.
How serious is the interaction between Beta carotene and Verteporfin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider holding high-dose beta carotene supplements around verteporfin therapy sessions, and monitor treatment response.
What other medicines interact with Beta carotene?
MediHelp also lists interactions of Beta carotene with, for example, Ethanol, Orlistat, Cholestyramine. The full list is on the Beta carotene page.
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