Insurance. Many practitioners have encountered the patient with a significant viral pneumonia that evolves into bacterial toward the end of the viral process. Others find co-existing morbidities:otitis media, rhinosinusitis as minor but treatable isues while the viral pneumonia caused the most initial trouble. Explore the reason for the antibiotics with your physician. His/her reasoning may put you at ease.
No. In general there are no antibiotics or antiviral medications for viral pneumonia. Most viral pneumonias resolve without special treatment beyond adequate rest, fluids, and nutrition. Chicken soup is very useful.