Welcome to the Migraine and Headaches Forum! This forum is for questions and support regarding migraine and headache issues such as: abdominal
migraines, headaches caused by allergies, cluster headaches,
headaches, headaches in children, migraine headaches, sinus headaches, tension headaches, visual disturbances.
Hope you are feeling better.
I can understand your anxiety because of these disturbing headaches. Coital headaches occur due to sudden dilatation of cerebral blood vessels and muscle tension due to exertion during intercourse.
However since in your case they have started recently after the accident it is very important to rule out brain bleed and hemorrhage. Coital cephalgia can sometimes the presenting feature of neurological problems like meningitis, stroke, tumors and aneurysms. Please get a CT scan or an MRI done.
Do keep us posted and let us know if you need more information