Typical dosage for Levulan
Levulan Kerastick is made up of aminolevulinic acid 20% topical solution.
- Adults: Levulan is applied to the sun spots (on the scalp, face, or arms and hands only) by a healthcare provider at their clinic. Your provider will let the medication sit on the skin for a certain amount of time (14-18 hours for face and scalp; 3 hours for arms and hands). Afterwards, you'll receive photodynamic therapy (PDT) with the BLU-U Illuminator for about 16 minutes.
If needed, your provider can prescribe this treatment again after 2 months.
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