What’s wrong with a tickle in the throat after a cold and a constant cough?

Coughing after a cold with a tickle in the throat is always considered to be related to pathogens that destroy normal tissues, cause chronic pharyngitis and postnasal drip and so on.
1. Pathogens destroy normal tissue: virus invasion destroys the normal tissues of the respiratory tract, so that the respiratory mucosal cilia can not normally resist foreign pathogenic bacteria, while the mucus secreted by the bacteria can not be wrapped up into sputum discharged into the body, which in turn caused the itchy throat, coughing and other manifestations, so it is possible to see after a cold throat itchy, always coughing phenomenon.
2. cause chronic pharyngitis: when the cold, the mucous membrane of the throat can be stimulated, so that it appears chronic inflammation performance. Patients can often appear dry throat, throat itch, irritating cough and other manifestations, so it can be seen after the cold throat itchy, always coughing phenomenon.
3. Postnasal drip: most patients with colds can cause rhinitis or sinusitis, etc., at this time there is an increase in nasal secretions. When the nasal mucus flows backwards through the nasopharynx to the pharynx, it can stimulate the mucous membrane, making it appear itchy throat, cough and other manifestations, so it can be seen after a cold throat itchy, always coughing phenomenon.
When there is a tickle in the throat after a cold, always coughing phenomenon, it is recommended to consult the hospital as soon as possible to identify the cause of the disease to be actively treated.