Spirex is used to treat certain types of bacterial and parasitic infections, the most important of which are respiratory tract infections such as tonsillitis, pharyngitis, sinusitis, lungs and bronchi, skin and soft tissue infections such as abscesses, wound and skin infections, mouth and teeth infections such as gingivitis and periodontitis, and
Spirex also treats toxoplasmosis, especially to prevent its transmission from mother to fetus, and other infections such as some urinary tract and digestive system infections.