- Oral anti‐pseudomonal antibiotics for cystic fibrosis
- Oral appliances and functional orthopaedic appliances for obstructive sleep apnoea in children
- Oral appliances for obstructive sleep apnoea
- Oral calorie supplements for cystic fibrosis
- Oral corticosteroids for bronchiectasis (stable and acute exacerbations)
- Oral corticosteroids for stable chronic obstructive pulmonary disease
- Oral methylxanthines for bronchiectasis
- Oral non steroid anti-inflammatories for children and adults with bronchiectasis
- Oral non‐steroidal anti‐inflammatory drug therapy for lung disease in cystic fibrosis
- Oral protein calorie supplementation for children with chronic disease
- Oral steroids for long‐term use in cystic fibrosis
- Oral steroids for nasal polyps
- Oral theophylline for chronic obstructive pulmonary disease
- Oral xanthines as maintenance treatment for asthma in children
- Over‐the‐counter (OTC) medications for acute cough in children and adults in community settings
- Over‐the‐counter (OTC) medications to reduce cough as an adjunct to antibiotics for acute pneumonia in children and adults
- Oxatomide for stable asthma in adults and children
- Oxygen for breathlessness in patients with chronic obstructive pulmonary disease who do not qualify for home oxygen therapy
- Oxygen therapy during exercise training in chronic obstructive pulmonary disease
- Oxygen therapy for acute myocardial infarction
The Cochrane Database of Systematic Reviews is considered the gold standard for evidence-based medicine. Essential Evidence Plus includes the latest and most up-to-date summaries of systematic reviews from the Cochrane Library, which are the most rigorous and reliable evaluations of medical therapies available. You’ll find summarized evaluations of the world’s best literature on the effectiveness of therapy for 3,300+ clinical problems.