Laba and steroid inhalers

In a 2-year study in SPRAGUE-DAWLEY® rats, albuterol sulfate caused a dose-related increase in the incidence of benign leiomyomas of the mesovarium at the above dietary doses of 2 mg/kg (approximately 15 times the maximum recommended daily inhalation dose for adults on a mg/m² basis and approximately 6 times the maximum recommended daily inhalation dose for children on a mg/m² basis). In another study this effect was blocked by the coadministration of propranolol, a nonselective betaadrenergic antagonist . In an 18-month study in CD-1 mice, albuterol sulfate showed no evidence of tumorigenicity at dietary doses of up to 500 mg/kg (approximately 1700 times the maximum recommended daily inhalation dose for adults on a mg/m² basis and approximately 800 times the maximum recommended daily inhalation dose for children on a mg/m² basis). In a 22-month study in Golden Hamsters, albuterol sulfate showed no evidence of tumorigenicity at dietary doses of up to 50 mg/kg (approximately 225 times the maximum recommended daily inhalation dose for adults on a mg/m² basis and approximately 110 times the maximum recommended daily inhalation dose for children on a mg/m² basis).

Advair (Fluticasone + Salmeterol) :    The original combination inhaler is still the most popular.     Basically it combines a steroid with a long acting beta adrenergic (LABA).   The steroid  controls inflammation while the LABA keeps your lungs relaxed around the clock.   The combination of these medicines has worked wonders for many asthmatics.  The best part of this medicine is all you need to do is take one puff in the morning and one before bed.   This greatly improves complaince, and that alone I think has benefited many asthmatics.

While the use of inhaled LABAs are still recommended in asthma guidelines for the resulting improved symptom control, [22] further concerns have been raised, by a large meta-analysis of the pooled results from 19 trials with 33,826 participants, that salmeterol may increase the small risks of asthma deaths, and this additional risk is not reduced with the additional use of inhaled steroids (., as with the combination product fluticasone/salmeterol ). [23] This seems to occur because although LABAs relieve asthma symptoms, they also promote bronchial inflammation and sensitivity without warning. [24]

Laba and steroid inhalers

laba and steroid inhalers

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