Yes, you could be allergic to the laundry detergent. I used to use "ALL" laundry soap and then my upper legs started to break out in little red bumps. I ruled out the possibility of being allergic to my laundry soap because I figured if that was the case my whole body would be broken out. After dealing with it for quite some time, I went to the doctor. He said that my upper legs might be more sensitive....explaining why I had only broken out in that area. I changed my laundry detergent and I haven't had the problem since. Give it a shot....what do you have to lose besides the bumps