What precautions should be taken?
Erica Deligne2016-12-02T19:50:35-05:00Patients should avoid exposure of the photosensitive treatment sites to sunlight or bright indoor light for at least 40 hours after application of LEVULAN KERASTICK. Exposure may result in a stinging and/or burning sensation and may cause erythema or edema of the lesions. Sunscreens will not protect against photosensitivity reactions caused by visible light.