The headache caused by forehead pimples is considered to be a folliculitis, boils, acne and other problems, and you need to understand the cause before using medication. 1. Folliculitis: If there is folliculitis, the hair follicle tissues appear inflammatory reaction, headache symptoms can occur, usually can be applied locally mupirocin ointment, oral cephalosporin antibiotics and other drugs to treat. 2. Boils: some patients with boils may experience this symptom when the rash gradually increases in size and presses the forehead skin, which can be treated with medications such as ichthyol ointment and mupirocin ointment. 3. Acne: Inflammation of the hair follicles and sebaceous glands can lead to acne, which may result in this symptom, and can be treated with drugs such as doxycycline and minocycline. It is recommended to consult a dermatologist in a hospital for the above symptoms, and all the above medications should be used under the supervision of a doctor.