“…Bourinbaiar et al report the earliest recorded reference related to immunotherapy in TB and discuss the clinical experience from modern trials in this context [10]. I have presented how anti microbial drugs can modulate the host immune response, focusing on two aspects, immune (toxic or immunotoxic) adverse events and direct modulation of immune functions [11,12]. Potential clinical relevance has been demonstrated, particularly in the case of cyclines, macrolides, antimalarials, and new avenues are in the limelight.…”