The following need to be taken care of when using Dulera. It can’t be used during an asthma attack. It is not a substitute for quick-relief inhalers., Asthma patients should always have a quick-relief inhaler on hand., Gargle and rinse your mouth with water after each use., Do not swallow this, May slow down child growth if used by children., Not to be used by pregnant women., Not to be used by nursing mothers without a doctor’s recommendation., May cause QT prolongation due to irregular heartbeats., Kids younger than 12 years of age should avoid using this medication., Prolonged use may lead to osteoporosis.