Do not use a second inhaled bronchodilator that contains vilanterol or a similar medicine, such as salmeterol, indacaterol, formoterol, or arformoterol.
Avoid being near people who are sick or have infections. Call your doctor for preventive treatment if you are exposed to chickenpox or measles. These conditions can be serious or even fatal in people who are using a medicine that contains fluticasone (a steroid).
