Erythema on the back may be related to localized dermatitis, eczema and pityriasis rosea, and should be treated according to the cause.
1. Localized dermatitis: long-term insomnia, local friction and other factors can lead to red spots on the back skin, with skin thickening, itching, flaking as the main symptoms of localized dermatitis can be considered, can be used externally dinexed ointment, hydrocortisone ointment coated with the affected area; oral vitamin B2, B6, loratadine tablets and other antihistamine drugs treatment.
2. Eczema: a lot of sweating, humidity or allergies can cause the back of the erythema, pimples, itching, vesicles, scabs as the main symptoms of eczema can be considered, can be used externally with glycerine lotion, tacrolimus ointment, tretinoin ointment and other medications, itching is more pronounced can be combined with oral antihistamines, such as loratadine, and at the same time as much as possible to wear loose-fitting clothing, sweating in a timely manner after drying.
3. pityriasis rosea: the etiology is unknown, may be related to viral infections, typical symptoms of sweating local skin red spots, often accompanied by peeling, itching and other symptoms, can be used externally hydrocortisone ointment, butylhydroxyacid cream; at the same time, can also be combined with oral glycyrrhizin for treatment.
There may be other reasons for the erythema on the back, it is recommended to consult a doctor in time to clarify the cause, follow the doctor’s instructions for treatment, do not self-medication.