Asthma Articles
Evidence-based articles about asthma from certified pharmacists
Prednisolone for Asthma Flare-Ups: Dose, Course Length and Risks
How prednisolone is used for asthma flare-ups: guideline doses for adults and children, course length, tapering, side effects, the evidence it prevents relapse, and why every extra course adds to long-term risk.
Generic Advair and Seroflo: What the Strength Numbers Mean
Generic Advair, Wixela and Cipla's Seroflo contain the same two drugs, but the numbers on the box mean different doses. A strength-by-strength match to Advair Diskus and HFA, the COPD dose, the salmeterol safety evidence and US brand vs generic costs.
Breztri vs Trelegy: Triple Inhalers for COPD and Asthma Compared (2026)
Breztri and Trelegy are the two US triple inhalers, and since April 2026 both are approved for asthma. How their drugs, devices and doses differ, what ETHOS, IMPACT, KALOS, LOGOS and CAPTAIN showed, the pneumonia trade-off, and US costs.
Tiotropium Inhaler Guide: Why 18 mcg and 5 mcg Are the Same Dose, and Who Actually Benefits
Tiotropium comes as 18 mcg capsules, 5 mcg soft mist and 9 mcg puffs, and the 17,135 patient TIOSPIR trial showed the capsule and soft mist doses perform the same. UPLIFT found 14 percent fewer COPD exacerbations but no slowing of lung function decline. Where it sits under GOLD 2025, its role as an asthma add-on, and side effects against placebo.
Rotacaps vs Inhaler vs Respules: Which Asthma Device Actually Gets the Dose Into Your Lungs
Only 31 percent of people use their inhaler correctly, and that figure has not improved in 40 years. How aerosol inhalers, spacers, Synchrobreathe, Rotacaps, Turbuhaler and nebulizer respules differ, the errors that waste each dose, what a Cochrane review found on spacers versus nebulizers, and which device suits children, older adults and severe COPD.
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