Treatment of acne with PDT is considered "off-label" so there is no official guidelines on how often it may be done, however in my practice we try to perform the procedure every 4-6 weeks for the first few treatments, and then start to gradually space them apart further for maintenance.
How long should I wait in between PDT sessions for acne? My nurse said 2-3 months, but is it safe to do every 4-6 weeks instead?
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