There are many reasons why a cold is good but always coughing and throat itching, such as bronchitis, pneumonia, chronic pharyngitis and so on. 1. Bronchitis: mainly due to the inflammation of the bronchial mucosa surrounding the tissue caused by the patient will have a cough and throat itchy situation, but also accompanied by shortness of breath, body weakness and other symptoms. You can use dextromethorphan hydrobromide tablets, pentoxyverine citrate tablets and other drugs for treatment. 2. Pneumonia: Pneumonia can occur when the pathogens are numerous, virulent, or when the host’s respiratory tract is impaired by local and systemic immune defenses. Common symptoms are coughing, coughing up sputum, or aggravation of existing respiratory symptoms. You can use amoxicillin capsules, aminoglutethimide hydrochloride oral solution and other drugs for treatment. 3. Chronic pharyngitis: mainly because of the pharyngeal mucosa part of the chronic inflammation caused by a disease, the patient will not only cough and throat itchy situation, but also accompanied by pharyngeal foreign body sensation symptoms. You can use compound chlorhexidine gargle to gargle. Coughing and throat itching are caused by a number of reasons, it is recommended that patients go to the hospital in a timely manner to identify the cause of the disease, under the guidance of the doctor for treatment.