Itchy throat and coughing to vomiting may be caused by acute pharyngitis, pneumonia, bronchitis and other factors. 1. Acute pharyngitis: If the pharyngeal mucosa is stimulated by bacteria, viruses, the environment, etc., acute inflammation may occur, resulting in dry and itchy throat, sore throat, coughing up phlegm and other symptoms, and when coughing is severe, coughing to vomiting may occur. 2. Pneumonia: If the lung tissues are infected by pathogenic bacteria such as bacteria, viruses, mycoplasma, etc., an inflammatory reaction may occur, resulting in symptoms such as fever, cough, fatigue, nausea and vomiting. 3. Bronchitis: If the trachea, bronchial mucosa, and its surrounding tissues produce inflammatory infections, it may lead to nasal congestion, sore throat, hoarseness, repeated coughing, coughing up sputum and other symptoms, coughing is severe, coughing to vomiting may occur. If there is a tickle in the throat coughing to vomiting, you should consult a doctor in time to avoid delaying the condition.