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Levulan is active on your skin for 48 hours after application. You need to stay out of the sun (or any other bright light source) for 48 hours, or you can get a burn. You will actually feel tingling, burning, or warmth, and this is an indication that the medication is being activated.
PDT, or photodynamic therapy, is FDA approved to treat actinic keratosis, or pre-cancerous lesions caused by the sun. It's also used (off-label) to treat acne. Typically, Levulan is applied to the face one hour prior to the treatment. The patient then sits under the blue light (in the office) for an amount of time, usually about 16 minutes. Areas that are damaged and have pre-cancerous changes become red and crusted, and heal after 1-2 weeks. It is advised that the patient stay out of the sun for 48-72 hours following the treatment, because levulan makes skin very sensitive to sunlight.
The FDA has approved photodynamic therapy for actinic keratoses on the face and scalp. Nevertheless, many dermatologists use it on off-label areas including neck, arms, or legs. In areas with thicker skin, such as the extremities, the incubation time for the levulan needs to be...
While there has never been a study on the use of PDT with Levulan or Metvixia or Allumera in women who are breast feeding, it is hard to imagine that any of the topically applied products would penetrate into the blood stream to affect breast milk.
Many patients undergoing Levulan with PDT exhibit small, milia-like or closed comedones which is usually in the lower part of the face. This is so common that we speak to this in our pre and post-treatment handouts. There are a few theories as to what provokes this, but the good news is...
PDT has worked very nicely in my practice for acne patients, but I use 2 different lasers and light sources to activate the medicine, making it more effective in my hands than with a single light or laser source. Unfortunately there is no true "cure" for acne. Even after accutane one may...
Although all insurance companies have different guidelines, cosmetic procedures are usually not covered. You can obtain a letter of predetermindation from your insurance to see if you are eligible for coverage for your desired treatment. If you are wishing to use Photodynamic Therapy...
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