Microdox-LBX Tablet is a combination of Doxycycline (an antibiotic) and Lactic acid bacillus (a probiotic). It is used to treat various bacterial infections such as those affecting the lungs, skin, urinary tract, and intestines. The probiotic helps maintain healthy gut bacteria and reduces the risk of diarrhea caused by antibiotics. It should be taken as prescribed by a doctor, usually after food, and with plenty of water. Avoid lying down immediately after taking it and stay protected from direct sunlight, as it may cause sensitivity