can sex cause nausea
Dr. Randy Villanueva Dr. Villanueva. 1  No: No but if your heart beats too fast after then nausea can be a symptom. 2  Headache with sex: Could be a migraine or a bleed so get her examined ...Read more. 3  See answer: Nausea after sex likely not as rare as one might think, though precise cause a bit elusive. If accompanied by headache or dizziness, possible Coital cephalgia, a known phenomenon, more common in men, and essentially a migraine that occurs with orgasm. Meds can help.