•Works for influenza types A and B
•Inhaled; good option for people who don't like to take pills
•Can prevent household members from spreading the flu to each other
•Not recommended for people with asthma or COPD because of risk of bronchospasm
•Need to start early for it to work well (within 2 days of symptoms appearing)
•Won't stop the spread of flu to others, if you're already sick with the flu