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Drug interactions

Levofloxacin + Methyl aminolevulinate

Severity: Moderate

Levofloxacin and Methyl aminolevulinate: 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

Both agents can cause photosensitivity, so combining them may increase the risk of exaggerated skin reactions after light exposure. Methyl aminolevulinate is applied topically with lamp illumination during photodynamic therapy.

What this interaction means in plain words

Levofloxacin and Methyl aminolevulinate 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.

Evidence level: Low

Why it happens

Additive phototoxicity from two photosensitizing agents.

What to do

Consider deferring photodynamic therapy until the fluoroquinolone course is finished. Otherwise counsel the patient on strict sun protection and watch for severe skin reactions.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Levofloxacin with Methyl aminolevulinate?

MediHelp rates the interaction as moderate. Levofloxacin and Methyl aminolevulinate 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. Both agents can cause photosensitivity, so combining them may increase the risk of exaggerated skin reactions after light exposure. Methyl aminolevulinate is applied topically with lamp illumination during photodynamic therapy.

How serious is the interaction between Levofloxacin and Methyl aminolevulinate?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider deferring photodynamic therapy until the fluoroquinolone course is finished. Otherwise counsel the patient on strict sun protection and watch for severe skin reactions.

What other medicines interact with Levofloxacin?

MediHelp also lists interactions of Levofloxacin with, for example, Dronedarone, Ibutilide, Thioridazine. The full list is on the Levofloxacin page.

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