Sore throat and blocked nose may be caused by acute upper respiratory tract infection causing acute pharyngitis and acute rhinitis. Acute upper respiratory tract infection is an acute inflammatory disease that occurs in the upper respiratory tract. The upper respiratory tract includes the nose, throat and pharynx. It is mostly caused by viral infections, and to a lesser extent by bacterial infections. Sore throat and blocked nose should be the occurrence of acute pharyngitis, acute rhinitis. 1.. Acute pharyngitis: acute inflammation of the pharyngeal mucosa, submucosal tissue and lymphatic tissue. At first, the pharynx is dry and burning. Followed by pharyngeal pain, which is more pronounced in empty pharynx, and the pain can radiate to the ear. Severe cases may show symptoms such as fever, headache, lack of appetite and limb pain. 2.. Acute rhinitis: acute inflammation of nasal mucosa induced by viral infection, the early symptoms are nasal itching, irritation, foreign body sensation or burning sensation in the nasal cavity and nasopharynx, and self-consciousness of nasal dryness. Then there are systemic symptoms such as fatigue, headache, chills and lack of appetite. Following the gradual worsening of nasal congestion, nasal discharge increases, initially watery, and later mucopurulent. When the situation of sore throat and blocked nose occurs, you should go to the hospital in time for examination and treatment under the guidance of the doctor.