Zanamivir will not keep you from spreading the flu virus to other people. This drug may cause people with lung disease - chronic obstructive lung disease or asthma to experience trouble breathing. If this must happen contact your family doctor immediately. Zanamivir may not work in diseaseds with lung disease, heart disease, or serious medical conditions.
Bronchospasm - wheezing is a risk for diseaseds with asthma or chronic respiratory disease. Always have a fast-acting inhaled bronchodilator available for your use.