Drug interactions
aminolevulinic acid + glyburide-metformin
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.
Overview
Oral aminolevulinic acid causes photosensitization, and sulfonylureas such as glyburide have been associated with photosensitivity reactions. Combined use may increase the risk of phototoxic skin reactions.
Mechanism of action
Additive phototoxic potential from protoporphyrin accumulation and sulfonylurea photosensitivity.
Clinical management
Counsel patients to avoid sun and bright light exposure as directed in labeling for the period after aminolevulinic acid. Consider withholding other photosensitizing drugs during the perioperative window when feasible.
Drug reference
Frequently asked questions
Can I take aminolevulinic acid with glyburide-metformin?
The interaction is rated: Moderate. Oral aminolevulinic acid causes photosensitization, and sulfonylureas such as glyburide have been associated with photosensitivity reactions. Combined use may increase the risk of phototoxic skin reactions.
How serious is the interaction between aminolevulinic acid and glyburide-metformin?
The interaction is rated: Moderate. Evidence level: Low.
How is the interaction between aminolevulinic acid and glyburide-metformin managed?
Counsel patients to avoid sun and bright light exposure as directed in labeling for the period after aminolevulinic acid. Consider withholding other photosensitizing drugs during the perioperative window when feasible.
Why do aminolevulinic acid and glyburide-metformin interact?
Additive phototoxic potential from protoporphyrin accumulation and sulfonylurea photosensitivity.
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