Advair
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Fluticasone, a corticosteroid, is the anti-inflammatory component of the combination, while salmeterol treats constriction of the airways. Together, they relieve the symptoms of coughing, wheezing and shortness of breath better than either fluticasone or salmeterol taken on its own.
Advair is available in several dosage strengths, depending on the patient's country, as a DPI (dry powder inhaler). The smallest dosage is 100mcg/50mcg, the intermediate dosage is 250mcg/50mcg and the highest dosage is 500mcg/50mcg (mcg refers to micrograms).
Advair HFA inhalation aerosol as a MDI (metered dose inhaler) is available in Canada and the US and now in Australia and New Zealand as Advair HFA 45mcg/21mcg, Advair HFA 115mcg/21mcg, and Advair HFA 230mcg/21mcg. These contain 60 inhalations and are generally prescribed as a 30 day supply. (2 inhalations once a day)
Internationally the fluticasone/salmeterol combination is delivered by a number of devices, including standard aerosol metered dose inhalers (brand name "Evohaler" in México and UK) or dry-powder devices termed "Accuhaler" in Australia and the UK, and "Diskus" in France and the US. These purple disk-shaped containers are about 3.5 inches (8.9 cm) across and about 1 inch thick (2.5 cm). The discus container utilizes a machined 2 piece long foil ribbon with each unit dose held in small caplet-shaped depressions along the entire dose-count-length. Once the lever is actuated the dose is advanced by peeling away the flat outer most layer exposing the medication that is ready to be breathed in.
On August 8, 2007 the FDA issued a "not approvable" letter to GlaxoSmithKline (GSK) on the 500/50 strength for the treatment of patients with chronic obstructive pulmonary disease (COPD).
The common and minor side effects of this combination are those of its individual drugs. For instance, the use of inhaled corticosteroids is associated with oral candidiasis.
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