What causes a man to get a head rush and black out after sex?

Answer:
Extreme low blood pressure - you aren't taking Viagra/Cialis/Levitra and using nitrate heart medication are you?
You should see a doctor to find out why your blood pressure is dropping so low.
First answer by Darksyde. Last edit by Darksyde. Contributor trust: 1166 [recommend contributor recommended]. Question popularity: 1 [recommend question].