The itchy throat may be caused by allergic pharyngitis, chronic pharyngitis or sinusitis, etc. Different treatment measures should be taken according to different causes. 1. Allergic pharyngitis: the phenomenon of itchy throat occurs due to the body being stimulated by dust mites, pollen and artemisia and other triggering factors, which can be controlled by taking antihistamines such as cetirizine and loratadine. 2. Chronic pharyngitis: Inflammation of the mucous membrane, submucous membrane and lymphatic tissues of the pharynx caused by bacterial or viral infections or environmental factors, which can be manifested as itchy throat, foreign body sensation and dryness, etc., which can be treated with medications under the guidance of doctors, such as iodine throat tablets and watermelon cream tablets, etc. to alleviate the symptoms. 3. Sinusitis: Inflammation of the sinuses caused by viral, bacterial or fungal infections, the main symptoms of nasal congestion, pus and headache, often accompanied by decreased or loss of the sense of smell and itchy throat and other phenomena, which can be treated with nasal sprays, such as fluticasone propionate nasal spray or budesonide nasal spray and so on. If the above symptoms occur, it is recommended to find out the cause of the disease and actively cooperate with the doctor for treatment, and follow the doctor’s instructions for medication.