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Aminolevulinic Acid Topical Dosage

Medically reviewed by Last updated on Nov 1, 2021.

Applies to the following strengths: 20%; 10%

Usual Adult Dose for Actinic Keratosis

One application and one dose of illumination per treatment site per 8 week treatment session
Duration of therapy: Treated lesions that have not completely resolved after 8 weeks may be treated a second time.

-Each individual aminolevulinic acid topical solution should be used for only one patient.
-Photodynamic therapy is a two stage process involving application of the product followed 14 to 18 hours later by illumination with blue light using the BLU-U Blue Light Photodynamic Therapy Illuminator.

Use: Treatment of minimally to moderately thick actinic keratoses of the face or scalp

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available


Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:
-Actinic keratosis targeted for treatment should be clean and dry prior to application.
-This solution is intended for direct application to individual lesions not to perilesional skin.
-This solution is not intended for application by patients or unqualified medical personnel.
-Application should involve scalp or face lesions but not both simultaneously.

Storage requirements:
-The solution should be used immediately following preparation.
-Solution application should be completed within 2 hours of preparation; an applicator not used within this time should be discarded.

Reconstitution/preparation techniques: The manufacturer product information should be consulted.

Patient advice:
-After solution is applied, the treated actinic keratosis should be kept dry and out of bright light, and light-protective clothing should be worn.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.