Itchy throat every night before going to bed may be allergies, sinusitis, pharyngitis, etc.. Prompt medical consultation should be made to find out the cause of the disease. 1. Allergy: patients may be allergic to dust mites, dust and other microorganisms on the bed sheets, which may be inhaled through the oropharynx when sleeping at night, leading to localized allergic reactions. This may be manifested by symptoms such as itching, redness and warmth in the throat. 2. Sinusitis: most of them are caused by upper respiratory tract infection or acute rhinitis. Usually, sinusitis stimulates the nasal cavity and secretes nasal mucus, which backs up and stimulates the mucous membrane of the throat, leading to itchy throat when lying down, and acute sinusitis usually has localized pain and other symptoms. 3. Pharyngitis: it is stimulated by pathogenic microbial infection, dust, dryness and other environmental factors, triggering non-specific inflammation of the throat. Especially reflux laryngitis, itchy throat is more obvious at night when you sleep, usually also have foreign body sensation, itching and other symptoms. Every night before going to bed itchy throat, there may be other reasons, should be timely consultation, to clarify the specific causes, follow the doctor’s instructions for appropriate treatment.