General Info:

Bactrim is used to treat infections such as urinary tract infections, bronchitis, ear infections (otitis), traveler's diarrhea, and Pneumocystis carinii pneumonia. Bactrim may also be used for purposes other than those listed in this medication guide.

Missed dose:

Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the dose you missed and take only your next regularly scheduled dose. Do not take a double dose of this medication unless otherwise directed by your doctor.

If you have only missed one dose, you can take the rest of your scheduled doses for that day at evenly spaced intervals.

Overdose:

Seek emergency medical attention.

Symptoms of a Bactrim overdose include nausea, vomiting, decreased appetite, diarrhea, headache, yellowing of the skin or eyes, decreased urine production, bloody urine, and coma.