Tonsillitis - Symptoms & causes - Mayo Clinic
2022年9月3日 · Signs and symptoms of tonsillitis include swollen tonsils, sore throat, difficulty swallowing and tender lymph nodes on the sides of the neck. Most cases of tonsillitis are caused by infection with a common virus, but bacterial infections also may cause tonsillitis.
Tonsillitis - Diagnosis & treatment - Mayo Clinic
2022年9月3日 · Whether tonsillitis is caused by a viral or bacterial infection, at-home care strategies can make your child more comfortable and promote better recovery. If a virus is the expected cause of tonsillitis, these strategies are the …
Meningitis - Symptoms and causes - Mayo Clinic
2024年10月17日 · Viral infections are the most common cause of meningitis in the United States. Bacteria, parasites and fungi also can cause it. Sometimes meningitis improves in a few weeks without treatment. But meningitis also can cause death. It …
Infection: Bacterial or viral? - Mayo Clinic
2023年2月4日 · In some cases, it can be hard to figure out if a bacterial infection or a viral infection is causing your symptoms. Both infections can cause the same diseases, such as pneumonia, meningitis and diarrhea.
Bronchitis - Symptoms and causes - Mayo Clinic
2024年7月31日 · Acute bronchitis is usually caused by viruses, typically the same viruses that cause colds and flu (influenza). Many different viruses — all of which are very contagious — can cause acute bronchitis. Antibiotics don't kill viruses, so this type of medication isn't useful in most cases of bronchitis.
Sore throat - Symptoms & causes - Mayo Clinic
2021年6月10日 · A sore throat is pain, scratchiness or irritation of the throat that often worsens when you swallow. The most common cause of a sore throat (pharyngitis) is a viral infection, such as a cold or the flu. A sore throat caused by a virus resolves on its own.
Tonsillectomy - Mayo Clinic
Tonsillitis is inflammation of the tonsils. The tonsils are the immune system's first line of defense against germs and viruses that enter the mouth. This work puts the tonsils at high risk of infection and swelling and irritation, called inflammation.
Acute sinusitis - Symptoms and causes - Mayo Clinic
2023年8月29日 · Signs and symptoms may include a blocked and stuffy (congested) nose, which may block your sinuses and prevent drainage of mucus. Acute sinusitis is an infection caused by a virus. The common cold is most often the cause. Sometimes, sinuses that are blocked for a time might get a bacterial infection.
Croup - Symptoms & causes - Mayo Clinic
2022年12月3日 · Croup is usually caused by a viral infection, most often a parainfluenza virus. Your child may get a virus by breathing infected respiratory droplets coughed or sneezed into the air. Virus particles in these droplets may also survive on toys and other surfaces.
Strep throat - Symptoms & causes - Mayo Clinic
2022年11月30日 · The cause of these signs and symptoms could be a viral infection or some other illness. That's why your doctor generally tests specifically for strep throat. It's also possible for you to be exposed to a person who carries strep but shows no symptoms.