<P> For some patients, the headaches may be related to general exertion . About 40% of patients with sexual headaches in one study also experienced headaches from non-sexual exertion . A pressor response to exercise has been suggested as a mechanism . For other patients, the pain appears to be specifically activated by sexual excitement and contraction of facial and neck muscles . </P> <P> Sporadic case studies have linked sexual headaches to the use of certain drugs, including amiodarone, pseudoephedrine, birth control pills, and cannabis . It may be secondary to another condition, such as reversible cerebral vasoconstriction syndrome . It is associated with migraines . </P> <P> These headaches are estimated to appear in roughly 1% of the population . They can occur with sexual activity at any age . It is more common in men than women, with studies putting the gender ratio between 1.2: 1 and 3: 1 . </P> <P> A physician may recommend engaging in sexual activity less strenuously . Case series have found indomethacin and beta blockers to be successful in treating these headaches . Propranolol, Bellergal, and triptans have also been used with success . Anecdotal and indirect evidence suggests a trial of magnesium supplementation may improve symptoms (in subjects with known or suspected low Mg levels). </P>

I get a sharp pain in my head when i ejaculate