Furfury lesions expanded is a manifestation of aggravation of the disease. Most of the pityriasis rosea is caused by viral infections that result in round colored patches on the skin, usually appearing on the chest and back or mirror, causing general discomfort, fever, limb pain, rash accompanied by itching, lymph node enlargement, etc. If the lesions appear to be enlarged, it is a manifestation of aggravation of the condition. If the lesions are aggravated, you can take chlorpheniramine maleate tablets, loratadine tablets, cetirizine hydrochloride tablets and so on under the doctor’s advice, and you can also use glycerine lotion, hydrocortisone butyrate cream and other medicines externally, and you can carry out ultraviolet irradiation treatment if you use the medicines without obvious improvement. When pityriasis rosea lesions expand, should go to the hospital dermatology department in time for relevant examination, in the professional doctor’s advice to standardize the use of drugs or other treatment, to avoid the impact on the body.