Bactrim – a combination of trimethoprim and sulfamethoxazole

Bactrim is an antibacterial combination of trimethoprim and sulfamethoxazole that is used for the treatment of certain infections caused by bacteria.

Before you buy Bactrim online, please be certain to review all of the prescribing information provided for Bactrim, including side effects, contraindications, and other cautions.

Drug Uses

Bactrim is an antibacterial combination drug that is used in the treatment of certain bacterial infections like urinary tract infections, severe middle ear infections in children, severe and continual bronchitis in adults, and diarrhea. 


You should increase your fluid intake while using Bactrim in order to prevent sedimentation in the urine or the formation of bladder stones. Maintain a fixed schedule for taking the drug and stick to it till your doctor asks you to stop taking it. 

Missed Dose

If you have missed a dose of Bactrim, then you may take it as soon as you remember it. However, if it is nearly time for the next dose, then you may skip it and continue with the regular dosage schedule. Do not take a double dose. 


Bactrim is available in both tablet form and suspension form. Ensure that you store it in an airtight container and protect it from light. Store it at room temperature only. Do not freeze. 


The typical symptoms of a Bactrim overdose include blood or sediment in the urine, colic, confusion, dizziness, mental depression, nausea, unconsciousness, vomiting, and yellowed eyes and skin. If you suspect an overdose on Bactrim, then seek medical attention immediately.

More Information

People who are chronic alcohol addicts, who have an impaired kidney or liver function, have a folic acid deficiency or are taking anticonvulsants should seek medical attention before using Bactrim.