Bactrim and Bactrim DS (sulfamethoxazole/trimethoprim) are brand-name drugs prescribed to treat or prevent certain infections. As with other drugs, Bactrim and ...

People with certain conditions may be more likely to develop high potassium levels (hyperkalemia). Although these high levels may only last for a short time, some people will have high levels that do ...

Bactrim commonly causes mild reactions like nausea and diarrhea, which typically resolve after treatment ends or within a few days of the last dose. Serious complications can occur, including severe ...