What is Levaquin primarily used to treat?

Levaquin, or levofloxacin, is primarily used to treat pulmonary bacterial infections due to its classification as a fluoroquinolone antibiotic. This medication works by inhibiting bacterial DNA synthesis, effectively targeting and eliminating various types of bacteria that cause respiratory infections, such as pneumonia and bronchitis. Its broad-spectrum activity makes it particularly useful in treating infections caused by both Gram-positive and Gram-negative bacteria.

While it could potentially be used in some skin infections, those would typically depend on the specific bacteria involved and other factors. In contrast, viral infections and fungal infections are not treatable with Levaquin, as antibiotics do not affect viruses or fungi. Therefore, its primary application in the treatment of pulmonary bacterial infections positions it as a crucial option in managing conditions like community-acquired pneumonia, making B the most accurate choice in this context.