Hi my husband comes home takes his pants off gets in his shorts and for like a yr he starts itching and then breaks out in welts that form in like lines he takes benadryl it helps but it's only since we moved where we live we did get a cat but she lays on him rubs on him he don't itchwe do have mold in the apt and I think it's hives but if it is we don't know what's causing it