Effectiveness of Antitussives, Anticholinergics and Honey Versus Usual Care in Adults With Acute Bronchitis.

Inclusion Criteria: * age 18 years or older, and * symptoms of acute bronchitis with cough starting within 3 weeks before study inclusion, and * patients who score ≥ 4 in either the daytime and/or nocturnal cough on a 7-point Likert scale, and * patients who consent to participate. Exclusion Criteria: * suspected pneumonia; if the professional suspects pneumonia, a chest X-ray will be recommended and the patient will be randomized if this diagnosis is discarded; or * criteria for hospital admission (impaired consciousness, respiratory rate \> 30 breaths/minute, pulse \> 125 beats/minute, systolic blood pressure \<90 mm Hg or diastolic blood pressure \<60 mm Hg, temperature \> 104°F or oxygen saturation \<92%) * pregnancy or breast feeding * baseline respiratory disease such as chronic obstructive pulmonary disease, asthma, tuberculosis or bronchiectasis * associated significant comorbidity, such as moderate-severe heart failure, dementia, acute myocardial infarction/recent cerebral vascular accident (\< 3 months), severe liver failure, severe renal failure * immunosuppression, such as chronic infection by HIV, transplanted, neutropenic, or patients receiving immunosuppressive treatment * active neoplasm * terminal illness * history of intolerance or allergy to any of the study treatments * patients in whom, in the opinion of the investigator, treatment with dextromethorphan, ipratropium bromide or honey is contraindicated * patients living in long-term institutions * diffi…