Headaches caused by hair not blow-drying should pay attention to head warmth, to avoid catching cold. When the headache is serious, you can use non-steroidal analgesics such as acetaminophen tablets and ibuprofen tablets. 1. hair did not blow dry caused by headache phenomenon is very common, the main reason for the scalp blood vessels cold, vascular contraction caused by cerebral vasospasm headache phenomenon. After the headache phenomenon should pay attention to head warmth, try to avoid outdoor stay, avoid cold, drink more hot water. 2. If the headache is serious, you can also take non-steroidal analgesics such as acetaminophen tablets and ibuprofen tablets under the guidance of a doctor to relieve the symptoms. It is recommended to blow-dry your hair in time after washing it, and sleep or go out again after blow-drying, so as not to cause headaches and other uncomfortable symptoms.