Why Do I Get a Sudden Sharp Headache That Lasts for Only Five Seconds?
1. Introduction A sudden, sharp headache that lasts for only a few seconds is clinically classified as a primary stabbing headache, frequently referred to colloquially as an ice pick headache. This transient pain is caused by the spontaneous, brief misfiring of sensory nerve endings in the scalp or along the branches of the trigeminal nerve. … Read more