A lying down throat itch to cough may be related to chronic pharyngitis, postnasal drip syndrome, overgrowth of the uvula and other diseases.
1. Chronic pharyngitis: mostly caused by repeated episodes of acute pharyngitis and long-term stimulation of adverse physical and chemical factors, due to the pharyngeal mucosa and submucosal tissues in the inflammatory factor stimulation of the neural reactivity increases in the lying down of the soft palate and the root of the tongue against the posterior wall of the pharynx, which can stimulate the tickling throat and coughing symptoms.
2. Postnasal drip syndrome: the main cause of chronic rhinitis, chronic sinusitis and other chronic nasal diseases caused by increased nasal secretion, can be in a lying down under the effect of gravity, secretion backflow to the pharynx, stimulate pharyngeal discomfort, itchy throat and cough symptoms.
3. The uvula is too long: this disease can be caused by chronic inflammation of the oropharynx and tonsils due to long-term stimulation, can also be triggered by post-nasal drip syndrome. The uvula is edematous and sagging under the stimulation of chronic inflammation, and even becomes longer, thicker and fibrotic. When the throat is irritated by the posteriorly tilted uvula after lying down, itchy throat and irritating cough may occur.
When the occurrence of a lying down throat itch to cough, need to actively seek medical attention, systematic examination, clear diagnosis and standardized treatment.