Dedoxyn-LB Capsule is used to treat bacterial infections such as urinary tract infections, intestinal infections, respiratory infections, eye infections, gum infections, and sexually transmitted infections (like gonorrhoea and syphilis). It contains Doxycycline and Lactobacillus, which kills the bacteria and helps restore the balance of good bacteria in the gut. In some cases, you may experience certain common side effects, such as nausea, vomiting, loss of appetite, and stomach upset. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.