Tonsillitis - Symptoms & causes - Mayo Clinic
Sep 3, 2022 · Tonsillitis is most often caused by common viruses, but bacterial infections also can be the cause. The most common bacterium causing tonsillitis is Streptococcus pyogenes (group A streptococcus), the bacterium that causes strep throat.
Tonsillitis - Diagnosis & treatment - Mayo Clinic
Sep 3, 2022 · If tonsillitis is caused by a bacterial infection, your doctor will prescribe a course of antibiotics. Penicillin taken by mouth for 10 days is the most common antibiotic treatment prescribed for tonsillitis caused by group A streptococcus.
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A bacterial infection that causes tonsillitis doesn't get better with antibiotic treatment. An infection that causes pus to build up behind a tonsil doesn't improve with medicine or after being drained.
Meningitis - Symptoms and causes - Mayo Clinic
Oct 4, 2023 · Bacteria that enter the bloodstream and travel to the brain and spinal cord cause bacterial meningitis. But bacterial meningitis also can occur when bacteria directly invade the meninges. This may be caused by an ear or sinus infection, a …
Tonsil cancer - Symptoms and causes - Mayo Clinic
Your tonsils are two oval-shaped pads in the back of your mouth that are part of your body's germ-fighting immune system. Tonsil cancer can cause difficulty swallowing and a sensation that something is caught in your throat.
Strep throat - Symptoms & causes - Mayo Clinic
Nov 30, 2022 · Strep throat is a bacterial infection that can make your throat feel sore and scratchy. Strep throat accounts for only a small portion of sore throats. If untreated, strep throat can cause complications, such as kidney inflammation or rheumatic fever.
Sore throat - Symptoms & causes - Mayo Clinic
Jun 10, 2021 · Bacterial infections. Many bacterial infections can cause a sore throat. The most common is Streptococcus pyogenes (group A streptococcus) which causes strep throat.
Tonsils: Tiny, but pack a big punch - Mayo Clinic News Network
May 24, 2023 · While small in size, the tonsils can cause considerable pain and discomfort if inflamed. This inflammation is called tonsillitis and typically is due to a viral infection, although bacterial infections can cause tonsillitis as well.
Oral thrush - Symptoms and causes - Mayo Clinic
Apr 23, 2021 · Initially, you may not even notice symptoms of oral thrush. Signs and symptoms may include: Creamy white lesions on your tongue, inner cheeks, and sometimes on the roof of your mouth, gums and tonsils. Slightly raised lesions with a cottage cheese-like appearance.
Group B strep disease - Symptoms & causes - Mayo Clinic
Sep 21, 2021 · Overview. Group B strep (streptococcus) is a common bacterium often carried in the intestines or lower genital tract. The bacterium is usually harmless in healthy adults. In newborns, however, it can cause a serious illness known as group B strep disease. Group B strep can also cause dangerous infections in adults with certain chronic medical ...