My son is cutting his back teeth first and he has done nothing but screamed in pain for 3 days straight now out of these past 2 nights we've gotten like 2 hours of sleep total. I've tried everything that I can possibly imagine I even went and bought orajel to give him even just a little relief. I need help! What is somethings I can do to make him more comfortable and sleep better? I can't stand seeing my baby in pain!