Primomycin capsules are used to treat upper and lower respiratory tract infections, such as pneumonia and bronchitis, as well as throat infections and sinusitis. It is also used in cases of skin and soft tissue infections, such as boils, abscesses, and some other types of skin infections. In addition, doctors may prescribe it to treat some sexually transmitted diseases such as chlamydia.
Primomycin may also be useful in preventing some types of infections in cases where a person is at risk due to a weak immune system or chronic diseases.