It's thought that one in 10 adults has experienced this unfortunate side effect - a sex headache, which is also known as an orgasm headache.
According to Dr. R.Y. Langham of the Between Us Clinic, three types of sexually-related headaches exist.
Pre-Orgasmic Headache
Orgasmic Headache
Post-Coital Headache
Sometimes it can feel like a dull ache at the back of your neck or develop into a throbbing pain in your head. Here's how to counteract - one way is to stay hydrated...the rest listed here