Antibiotics side effects such as lethargy, swelling in joints and loss of appetite. Some of the other most common reactions are skin rashes, fainting, itching, indigestion, low blood pressure, disturbance in liver profile & diarrhoea. BM 57 Antibiotics can reduce the risk of these side effects by targeting the root cause of the infection. It can help you get back to your day-to-day activities quickly and comfortably.