Do patients with type B influenza experience sore throat?

Mar 12, 2025 Source: Cainiu Health
Dr. Ren Yi
Introduction
In general, "B flu" refers to influenza B. Patients with influenza B may experience symptoms such as sore throat. The influenza B virus can irritate the mucous membranes of the throat, causing congestion and swelling of the pharyngeal mucosa, thereby resulting in pain. If patients with influenza B are simultaneously infected with bacteria, they may also develop bacterial pharyngitis, which can further worsen the throat pain.

Generally speaking, "B flu" refers to influenza B. Patients with influenza B may experience symptoms such as sore throat. The detailed analysis is as follows:

Influenza B virus may irritate the pharyngeal mucosa, causing congestion and swelling of the mucosa, which leads to pain. If patients with influenza B are simultaneously infected with bacteria, bacterial pharyngitis may also develop, further worsening the throat pain. Influenza B can also be complicated by tonsillitis, causing inflammatory reactions in the pharyngeal mucosa and lymphoid tissue. Patients will similarly experience sore throat, with pain intensifying during swallowing.

Patients are advised to keep the throat area moist to alleviate discomfort. Consuming foods with high water content, such as pears and watermelon, and foods rich in vitamins, such as tomatoes and carrots, can enhance immune function and aid in recovery. Additionally, medications such as oseltamivir phosphate granules, watermelon frost throat lozenges, and Jinshengzi throat tablets may be used under a doctor's guidance to relieve symptoms.

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