Ive been having pain in my abdomen and lower back into my butt for about 5 days now. I had sex last night it was painful and afterwards the pain was almost unbearable took aleve and used a heating pad still super painful. Today its still here when i fart its hurts so bad (tmi). Has anyone had a similar experience. Tia. I have a dr appt thurs. Just wondering if anyone has expierienced something similar.