I am 20. Had unprotected sex for 2 days and i pill on 3rd day. I had a sharp pain at the the end of urination but within 03 days it went off, but on the 3rd day i started to have severe lower side back pain, i have to take ibrufen to treat it, nothing else worked and the same episode repeated today also, i don't know what to do, please help.. Should i see a doctor, but i m scared to tell the truth, i m in indore,