I have a bad dog bite on my schin that won t heal properly. I used meth daily, quit suddenly, took 2-3 antibiotics @ a time, washed wound w/peroxide, then applied Neosporin. Healed up instantly. I noticed right after a bath other night, it was returning to ugly self. I used meth last nite and today, and now its sudddenly horrible again. Also, bathtub has wrong paint on it and has been chipping badly. Its cleaned daily, but could it also be from the lead in paint since I take bathes regularly?