Hi everyone, My son is 1 year, 2 months old.. use sabse neck pe ek red patch with bump jaise hua then next day hath pe fir pairo pe pahle mujhe lga kisi kide ne kata hoga then jab ye 3-4 jagah dikhne lga to mujhe tension hone lagi, to Mera concern ye hai k ye barsat ki wajah se hai ya kyu?? koi allergy please explain