Red rashes on baby’s head may be caused by prickly heat, eczema, folliculitis, etc., and need to be treated with medication according to the cause. 1. prickly heat: if the baby head long red rash is prickly heat caused, you can under the guidance of the doctor with glycerine lotion applied to the local treatment. 2. Eczema: baby head eczema will also be red rash, this time you can follow the doctor’s instructions with budesonide cream, hydrocortisone cream and other glucocorticoid ointment. 3. folliculitis: baby head long red rash is also considered to be caused by folliculitis, you can follow the medical advice with antibiotic ointment, such as mupirocin ointment, fusidic acid cream. It is recommended that the baby head red rash, parents need to take the child to the doctor in time, the doctor will be based on the child’s condition to choose the appropriate treatment measures.