Doxynec capsules is used In the Treatment of Bacterial infections. Doxynec 100mg Capsule 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. It also helps treat as well as prevent diarrhea that may occur due to the use of this medicine or due to stomach/gut(intestine) infections. Take it for as long as prescribed by the doctor and avoid skipping doses. This will make sure that all bacteria are killed and they do not become resistant.