Microdox 100mg Tablet DT is a versatile antibiotic medicine which can be used to treat many different infections caused by bacteria. These include infections of the blood, brain, lungs, bones, joints, urinary tract, stomach and intestines. It can also be used to treat sexually transmitted diseases. It stops the growth of the bacteria causing the infection and clears the infection. Take it for as long as prescribed by the doctor and avoid skipping doses. This will make sure that all bacteria ... Learn about Microdox uses, dosage, side effects, food interactions, and more. Get all the details about Microdox from MedicinesFAQ. Learn about Microdox Lbx uses, dosage, side effects, food interactions, and more. Get all the details about Microdox Lbx from MedicinesFAQ. Microdox - LBX Capsule is a combination of doxycycline and lactobacillus to treat bacterial infections and prevent diarrhea. It is a prescription medicine that can cause nausea, vomiting, photosensitivity and other side effects.