Dry throat clinically does not eat what good fast, may be allergic rhinitis, chronic tonsillitis, chronic pharyngitis and other causes, patients can eat levocetirizine hydrochloride tablets, erythromycin amoxicillin tablets, amoxicillin capsules and other drugs for treatment. 1. Allergic rhinitis: when patients suffer from allergic rhinitis, it may lead to dry throat, dry itch, dry cough and other symptoms. It can be treated by taking anti-allergic drugs under the guidance of doctor, such as levocetirizine hydrochloride tablets, loratadine tablets and so on. 2. Chronic tonsillitis: when the tonsils are inflamed, the stimulation of pharyngeal lymphoid follicle hyperplasia, congestion, edema, etc., will cause dryness and discomfort in the pharynx. Penicillin, compound borax solution, compound chlorhexidine gargle solution and other drugs for treatment, specific medication should follow the doctor’s instructions. 3. chronic pharyngitis: dry throat may be chronic pharyngitis, caused by diffuse inflammation, under the guidance of the doctor can be through the amoxicillin capsules, montelukast sodium tablets and other drugs for treatment. Patients with dry throat should go to the hospital in a timely manner, after clarifying the cause of the disease under the guidance of the doctor for proper treatment. The above medicines should be used under the guidance of a physician.