Itchy dry cough in the throat, may be due to dry throat, allergic pharyngitis, acute and chronic pharyngitis and other causes, need to target to take general treatment, medication. 1. Dry throat: it may be due to excessive talking leading to the loss of water in the throat, it may also be due to the dry weather, pay attention to drink more water, eat some vegetables and fruits as appropriate, replenish the water, relieve the symptoms. 2. Allergic pharyngolaryngitis: often caused by contact with allergens, keep away from allergens, such as pollen, animal dander, and take oral anti-allergy medication, such as cetirizine, loratadine. 3. Acute and chronic pharyngitis: Acute pharyngitis is often caused by viral or bacterial infections. Viral infections generally do not require special medication, but drink plenty of water, and in the case of bacterial infections, oral penicillin V potassium, amoxicillin and other antibiotic drugs. Chronic pharyngitis can be gargled with furacilin solution, compound borax solution, etc., which can help relieve symptoms. Medications need to be used under the guidance of a doctor, and patients should not use medication arbitrarily on their own.