Recent study showed that patients with chronic obstructive pulmonary disease or COPD increase their risk of pneumonia by taking help of anti-inflammatory inhalers.

Sonal Singh, MD, MPH, from Wake Forest University School of Medicine in Winston-Salem, North Carolina, and colleagues did detailed screening of 97 articles that focused on 18 randomized controlled trials involving16,996 patients, followed up for 24 to 156 weeks.