My roommate and I woke up yesterday morning with what we thought were mosquito bites. To out horror, we realized they were bedbug bites. Besides the fact we have to deal with exterminators, we're also both in a lot of pain. The bite marks are throbbing, look like welts, now and are obviously extremely itchy. Should we be taking some time of antibiotics? Or will calamine lotion and benadryl work?