The back of the feet itch in summer may be insect bite dermatitis, summer dermatitis, solar dermatitis, etc..
1. Insect bite dermatitis: more mosquitoes in summer, the probability of insect bite dermatitis is greater. Patients can be bitten by the bright red doughnut-like papules, and accompanied by obvious itching.
2. Summer dermatitis: mainly due to the hot climate, high temperature, high humidity, coupled with dust and other skin irritation caused. The lesions are characterized by erythema, papules, papules, and itching.
3. Solar dermatitis: summer ultraviolet rays are more intense, more likely to trigger solar dermatitis. Involvement of the back of the feet skin can appear erythema, itching, swelling, blisters, and even erosion.
Itchy back of the feet in the summer may be caused by other reasons, if frequent, it is recommended to consult a doctor to check, and related treatment.