Drug interactions
Atenolol-chlorthalidone + Methyl aminolevulinate
Severity: Minor
Atenolol-chlorthalidone and Methyl aminolevulinate: 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
Chlorthalidone is photosensitizing and may increase skin reactions during photodynamic therapy with topical methyl aminolevulinate. The topical product has limited systemic absorption, so the effect is mainly local phototoxicity.
What this interaction means in plain words
Atenolol-chlorthalidone and Methyl aminolevulinate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive photosensitization from a systemic photosensitizer and a topical photodynamic agent.
What to do
Inform patients about increased skin reactions and protect the treated area from light after therapy. Monitor for severe erythema or pain.
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 Atenolol-chlorthalidone
Frequently asked questions
Can I take Atenolol-chlorthalidone with Methyl aminolevulinate?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Methyl aminolevulinate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chlorthalidone is photosensitizing and may increase skin reactions during photodynamic therapy with topical methyl aminolevulinate. The topical product has limited systemic absorption, so the effect is mainly local phototoxicity.
How serious is the interaction between Atenolol-chlorthalidone and Methyl aminolevulinate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Inform patients about increased skin reactions and protect the treated area from light after therapy. Monitor for severe erythema or pain.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.
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