What should I do if my baby has a sudden rash on his back that doesn’t itch?

Sudden rash on baby’s back without itching may be caused by eczema, heat rash, etc. It can usually be treated by topical glycerite lotion, zinc oxide ointment and other medications.
1. Eczema: affected by genetic, autoimmune, environmental, dietary and other factors, may form eczema, usually manifested as red spots, pimples, blisters, oozing on the baby’s back. Commonly used topical medications include glycerin lotion, zinc oxide ointment, and Dinaid cream.
2. Heat rash: occurs in the hot season, usually due to the blockage of sweat pores lead to more sweating on the back, thus forming a heat rash, usually manifested as the baby’s back suddenly appeared pimples, papules, pustules, etc., the skin will slowly disappear after cooling down. Commonly used topical medications include glycerite lotion.
There may be many other reasons for the sudden rash on the baby’s back, and it is recommended that parents take their babies to the doctor in time to find out the cause and use medication under the guidance of a professional doctor to avoid any adverse effects.