Can doxycycline and LED acne light therapy be combined?

Beyond my expertise but a dermatologist can assist- laser dermatologist or plastics can deal with festoons. Home LED devices can cause oedema, namely swelling, this can account for making festoons WORSE. Dr Isobel Walker, Brisbane. Australia. 

Doing a scientific stand alone study on at home LED devices. Stay tuned for a YouTube video, scientific paper to follow. Dr Davin Lim. 

Not sure what the question is? Nonetheless, you'll likely not go wrong with professional photo therapy. Studies are all positive, it will promote better results of your treatment and there are may other benefits that are beneficial not only to your skin.  Warmly, Arbella Sarkis, MD