The right side of the scalp hurts when you touch it may be related to folliculitis, herpes zoster, epidermal cysts and other diseases. 1. Folliculitis: Folliculitis is mainly caused by pathogens infecting the hair follicles. Frequent shaving, low immunity and other factors may also induce the disease, and the patient’s epidermis may appear red pimples, accompanied by itching and tenderness. 2. Herpes zoster: the cause of the disease may be related to the activation of varicella zoster virus or infection of the body, the main symptom of the disease is pain, which can be seen in the unilateral chest and abdomen, head and face, etc., and the pain will be aggravated when contact is made. 3. Epidermal cysts: the hair follicle structure is damaged, embryonic ectopic and other factors may trigger epidermal cysts, the patient will appear localized skin swellings, common parts of the head and face, upper trunk, etc., secondary infection will appear pain, tenderness. There are many reasons why the right side of the scalp hurts when you touch it, so it is recommended that patients go to a regular hospital to get a clear picture of the cause of the problem.