Don't Be Surprised to See Some Combo Inhalers Used PRN for Mild Asthma

You may see formoterol/inhaled corticosteroid combos (Symbicort, Zenhale) used PRN INSTEAD of salbutamol for adults with MILD asthma.

For years, we've seen salbutamol used PRN for many mild asthma patients with symptoms twice per week or less...and a daily low-dose inhaled corticosteroid (ICS) added if symptoms occur nearly every day.

But over half of patients don't adhere to their inhaled steroid.

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