My son is 13 years old he has these bubbles that pop out of his skin we can sit and actually watch them form and pop out they look like blisters bright white within a couple mins there red very itchy within a 1/2 hour there s either a small mark or there completely gone I took him to ER of course no test just said he was allergic to something still happening couple days later he was on steroids for this I called family doctor she did blood work and urinalysis his urine came back with blood so the doc had us repeat the tests she said still shows little blood in urine but improved a little so we r doing test again after 2 weeks he has been fine and clear of the blister looking bubbles popping out for 5 days now then he just came to me said mom i feel like the bubbles are coming back but said his back hurts and itchy I pull up his shirt and his back is just loaded with the blister looking bubbles he started a pretty hard cough last night he s still coughing and the bubbles are coming and going just like before I m scared to death and stumped I don t know what to Do or how to help him ER won t do anything and doc office closed till Monday