Head acne and itchy, considered due to bacterial or fungal infections caused by folliculitis or seborrheic dermatitis and other diseases, according to the cause of the need for topical or oral antimicrobial drugs for standardized treatment. 1. Bacterial infections: Bacterial infections can cause folliculitis on the head, resulting in head acne and itchy. Treatment can be topical antibacterial drugs, such as fusidic acid ointment, mupirocin ointment and so on. 2. Fungal infections: Malassezia, for example, can easily cause seborrheic dermatitis, head acne and itchy phenomenon. This situation can be used externally ketoconazole lotion and other drugs for treatment, if necessary, also need to cooperate with itraconazole and other antifungal drug treatment. Head acne is also very itchy, you need to go to the regular hospital in time, clear the cause of the standardized treatment, so as not to miss the condition.