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Retin-A drug interactions

Retin-A · tretinoin · by Multiple

Reviewed by the glpzoom Editorial Team against primary clinical sources — FDA labeling, peer-reviewed trials, and specialty-society guidelines.
Content current as of June 2026; updated when guidance or availability changes.
Topical tretinoin minimally absorbed systemically. Avoid combining with other irritant topicals (benzoyl peroxide can inactivate tretinoin if applied at same time — separate by 8+ hours, or use BP morning and tretinoin night). Increases skin photosensitivity — always use SPF 30+ daily. Caution with topical exfoliants (AHA, BHA) and waxing/laser procedures.

Interaction lookup

Search by medication name or drug class to see clinically meaningful Retin-A interactions.

  • Benzoyl peroxide

    Moderate

    Class: topical oxidizer

    Inactivates tretinoin if applied simultaneously. Apply at separate times (e.g., benzoyl peroxide AM, tretinoin PM).

  • Other retinoids (adapalene, retinol)

    Moderate

    Class: retinoid

    Additive irritation; do not layer.

Editorial table from FDA labels + drug compendia. Not exhaustive. Discuss any concurrent medication, supplement, or condition with your prescriber before starting or stopping treatment.

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Frequently asked

What medications interact with Retin-A?+

Topical tretinoin minimally absorbed systemically. Avoid combining with other irritant topicals (benzoyl peroxide can inactivate tretinoin if applied at same time — separate by 8+ hours, or use BP morning and tretinoin night). Increases skin photosensitivity — always use SPF 30+ daily. Caution with topical exfoliants (AHA, BHA) and waxing/laser procedures.

Can I take Retin-A with metformin?+

Retin-A and metformin are commonly co-prescribed without major interaction concerns. GI side effects may be additive in some patients.

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