Dry and itchy throat with phlegm may be caused by acute pharyngitis, chronic pharyngitis, acute tonsillitis, tracheal and lung infections.
1. Acute pharyngitis: may be adenovirus, influenza virus, hemolytic streptococcus infection, resulting in acute inflammation of the pharyngeal mucosa as well as submucosal tissues, which can lead to fever, fatigue, dry throat, dry pharynx and so on, and may lead to a dry, itchy and phlegm throat.
2. Chronic pharyngitis: Most of the acute pharyngitis is caused by repeated episodes, or improper treatment, as well as chronic inflammation of neighboring organs, air pollution, etc., can cause chronic congestion of the pharyngeal mucosa, small blood vessel expansion, the throat wall has viscous secretion, resulting in a dry and itchy phlegm in the throat.
3. Acute tonsillitis: most of them are infected by type B hemolytic streptococcus, which can cause fever, fatigue, limb pain, dry throat, foreign body sensation in the throat, different degrees of pain in the pharynx, and may also lead to a dry, itchy and phlegm throat.
4. Trachea and lung infections: Trachea and lung infections can also lead to phlegm, phlegm irritation of the throat discomfort, resulting in a dry itchy throat with phlegm.
If you have a dry, itchy throat with phlegm, there may be other reasons, you need to go to the hospital first to check the cause of the disease.