**3.1 Inclusion and exclusion criteria**

Thirty consecutive patients were enrolled in this study. All of them underwent phoniatric counseling due to chronic cough. Inclusion criteria were as follow: cough lasting more than 8 weeks, the lack of response to standard antiallergic, antireflux and antiasthmatic therapy. The patients with previously diagnosed dysphagia, with stroke or trauma to the head and neck were excluded from the study. Medications that may cause dysphagia were also a part of the exclusion criteria.
