“This study suggests that sinusitis is more common than we had previously thought in people with chronic cough,” said Dr Lim Kaiser, lead researcher and Mayo Clinic pulmonologist and allergist. “It also confirms our impression in the chronic cough clinic that many of our patients have underlying sinus inflammation as a cause of their coughs. Our findings in this series of patients place sinusitis among the top three reasons for chronic cough, along with acid reflux and rhinitis, inflammation of the nasal passages.”

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