It is likely that this is a drug-induced rash especially if it started DURING the ATT course. Drug rashes resolve on discontinuation of the offending drug, and hope that this drug has been identified.
has this known side effect of maculopapular exanthem
though the face is spared.
Therefore you need to be seen by a dermatologist
to ensure you have not developed any other condition. Mild steroid
creams or medium potency for the face such as eumovate will help but only after consultation with a dermatologist.