Can you treat chest infections with trimethoprim?

Trimethoprim is an antibiotic that is used to treat a variety of bacterial infections, including chest infections. It is typically used to treat infections caused by bacteria such as Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. Trimethoprim works by inhibiting the growth of bacteria and is often used in combination with other antibiotics to increase its effectiveness. It is important to note that trimethoprim should not be used to treat viral infections, such as the common cold or flu.