Cotrimoxazole DS Tablet 10's belongs to the group of medicines called antibiotics used to treat and prevent lung infections caused by a bacteria called Pneumocystis jirovecii, infections caused by a bacteria called Toxoplasma, urinary tract infections (water infections), respiratory tract infections such as bronchitis, ear infections such as otitis media. Bacterial infections are caused due to the multiplication of harmful bacteria inside or on the body. Infectious or harmful bacteria can make you sick and reproduce quickly in your body. These harmful bacteria produce chemicals known as toxins, which can damage tissue and make you sick. Cotrimoxazole DS Tablet 10's does not work against infections caused by the virus, including cold and flu. Cotrimoxazole DS Tablet 10's contains Trimethoprim (folic acid inhibitors) and Sulfamethoxazole (sulfonamides). Trimethoprim prevents the formation of tetrahydrofolic acid, and sulfamethoxazole stops the bacteria from making dihydrofolic acid. Tetrahydrofolic acid and dihydrofolic acid are essential for the formation of proteins and nucleic acids, which are necessary for the survival of bacteria. By inhibiting these, Cotrimoxazole DS Tablet 10's kills the bacteria and stops their growth. Thereby, it helps to treat bacterial infections. Take Cotrimoxazole DS Tablet 10's as prescribed by your doctor. The dose and duration of Cotrimoxazole DS Tablet 10's can vary depending on your condition and the severity of the infection. In some cases, you may experience certain common side effects such as headache, diarrhoea, skin rashes, nausea, vomiting, heart problems, fever, convulsions or seizures, blood or cloudiness in your urine, hallucinations, and mouth ulcers. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently. Uses of Cotrimoxazole DS Tablet 10's Bacterial infections Medicinal Benefits Cotrimoxazole DS Tablet 10's belongs to the group of medicines called ‘antibiotics’ used to treat various bacterial infections of the urinary tract, respiratory tract (bronchitis), ear (otitis media), lungs (pneumonia), skin, brain, and toxoplasmosis (infection caused by a bacteria called toxoplasma). Cotrimoxazole DS Tablet 10's contains Trimethoprim (folic acid inhibitors) and Sulfamethoxazole (sulfonamides). Trimethoprim prevents the formation of tetrahydrofolic acid, and sulfamethoxazole stops the bacteria from making dihydrofolic acid. Directions for Use Cotrimoxazole Tablet: Take it as advised by your doctor. Swallow it as a whole with water; do not crush, break or chew it.Syrup: Shake the bottle well before use. Take the prescribed dose by mouth using the measuring cup/dosing syringe/dropper provided by the pack. The dose and duration can vary depending on your condition and the severity of the infection. Side Effects of Cotrimoxazole DS Tablet 10's Mouth ulcers,Headache,Mouth ulcers,Diarrhea,Blood or cloudiness in your urine,Depression.