<unk> , sold under the brand name Dulera among others, is a fixed-dose combination medication used in the long-term treatment of asthma. It contains<unk>  a steroid and formoterol a long-acting beta agonist. It is only recommended in those for whom an inhaled steroid is not sufficient. It is used by inhalation. It should not be used for sudden worsening of asthma. Common side effect include headache and sinusitis. More serious side effects may include thrush, immunosuppression, allergic reactions, and cataracts. Use is not recommended in those less than twelve years of age. It has not been studied during pregnancy or breastfeeding.<unk>  works by decreasing inflammation while formoterol works by relaxing smooth muscle in the airways. The combination was approved for medical use in the United States in 2010. No generic version is available . In 2017, it was the 243rd most commonly prescribed medication in the United States, with more than one million prescriptions. It is on the World Health Organization's List of Essential Medicines.
Mometasone/formoterol
Beclometasone/formoterol
Fluticasone/salmeterol
Budesonide/formoterol
Beclometasone/formoterol/glycopyrronium bromide
Fluticasone propionate
Arformoterol
Aclidinium bromide/formoterol