A lie down on the throat itch can not help dry cough without fever may be postnasal drip syndrome, uvula too long and chronic pharyngitis and other diseases.
1. Postnasal drip syndrome: chronic rhinitis, sinusitis and other chronic diseases of the nasal cavity can be characterized by an increase in secretions, more secretions from the nasopharynx to the throat can be caused by a foreign body sensation in the throat and repeated throat clearing action. A lying down due to gravity effect mucus flow rate increases, stimulation intensifies, can appear throat itching can not help dry cough without fever performance.
2. Long uvula: In the long-term chronic inflammation of the upper respiratory tract, the uvula can be seen to be congested, edema, prolonged, thickened, and even fibrosis. After lying down, the excessively long uvula can stimulate the posterior wall of the pharynx, causing the phenomenon of itchy throat and dry cough without fever.
3. Chronic pharyngitis: due to repeated episodes of acute inflammation and long-term stimulation of adverse physical and chemical factors can lead to chronic inflammation of the pharyngeal mucosa and submucosal tissues, the posterior wall of the pharynx due to the role of inflammatory factors, sensory nerve sensitivity is enhanced. In a lying down, the soft palate and tongue root close to the posterior wall of the pharynx, can occur throat itching can not help dry cough but not fever.
When the occurrence of a lie down on the itchy throat can not help dry cough without fever, need to actively consult a systematic examination, clear cause, follow the doctor’s instructions standardized treatment.