What causes tetanus?

Tetanus is an acute infectious and toxic disease caused by Clostridium tetanus. Clostridium tetanus invades the human body through skin or mucosa, reproduces and secretes toxins in anoxic environment, causing continuous rigidity and paroxysmal spasm of bones all over the body. Patients can show asphyxia, respiratory failure and even death. Open fractures, animal or insect bites, foreign bodies, etc. In addition, some common daily diseases may also cause tetanus infection, such as chronic sinusitis, otitis media, oral infection, perianal abscess, etc. Therefore, when the patient shows the above conditions, it is recommended that the patient seek medical examination and treatment as soon as possible to reduce the risk of infection.