Baked red light therapy is a possible cause of allergies. Roasted red light therapy refers to infrared light therapy, which is mainly used for infections due to a variety of causes, to promote the healing of post-surgical skin wounds, to minimize pore size, to promote the healing of chronic ulcers, and to relieve shingles and postherpetic neuralgia. Patients who are allergic to infrared light may be at risk. Infrared therapy is infrared rays are absorbed by the tissues and transformed into heat energy, producing thermal effects, play a therapeutic role, some patients will have local skin itching, redness, swelling, scalding and other phenomena. For the emergence of these conditions, generally is a normal phenomenon, does not require excessive tension, after stopping the red light therapy, pay attention to rest, after a period of time will disappear on its own. Some patients who are allergic to infrared light may have caused allergies, it is recommended to stop infrared therapy immediately, you can antihistamines such as loratadine and other drug therapy. If infrared therapy caused by allergies need to consult a doctor in a timely manner, under the guidance of a physician for treatment, medication should be used in accordance with medical advice, do not self-medication.