According to experts, the phermones that cause post-coitus headaches are more common in men than women. sexologist Dr Margaret Redelman in the British Journal of Medical Practitioners sexplained that headaches associated with sexual activity (HSA) often come in two categories.

As per Dr Margaret Redelman, the first builds up mounting pressure that increases as sexual excitement does and the other has an "explosive, throbbing quality" that happens just before you climax. She further added, while not a common problem, it is generally believed that man do not report it due to embarrassment. And while they are not anything to be worried about they can be "unpleasant, frightening and repetitive" she added.

According to Dr Redelman men are more likely to be affected than women and among the cases reported there are two age groups when sore heads peak - early twenties and in their 40s. Experts also said that Men, who are not in good physical shape and are prone to high blood pressure are more likely to get a sex headache along with women who experience painful muscle contractions. She further adds that psychological problems in the bedroom may also be a contributing factor.

Experts also said, experience sex headaches regularly could make one difficulty becoming aroused and lead to erectile dysfunction.