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Common signs and symptoms include fever, increased heart rate, increased breathing rate, and confusion. [1] There may also be symptoms related to a specific infection, such as a cough with pneumonia, or painful urination with a kidney infection. [2]
Strep throat is a common bacterial infection in children. [2] It is the cause of 15–40% of sore throats among children [7] [13] and 5–15% among adults. [8] Cases are more common in late winter and early spring. [13] Potential complications include rheumatic fever and peritonsillar abscess. [1] [2]
Certain bacterial infections can be serious and in some cases, life-threatening, say experts.
More severe signs and symptoms in children may include blue-tinged skin, unwillingness to drink, convulsions, ongoing vomiting, extremes of temperature, or a decreased level of consciousness. [23] [24] Bacterial and viral cases of pneumonia usually result in similar symptoms. [25]
Unfortunately, norovirus infections can and do happen. “Norovirus is a ubiquitous virus that everyone experiences multiple times in their life,” Adalja says. The best you can do is try to ...
Perianal cellulitis, also known as perianitis or perianal streptococcal dermatitis, is a bacterial infection affecting the lower layers of the skin around the anus. [1] [2] [3] It presents as bright redness in the skin and can be accompanied by pain, difficulty defecating, itching, and bleeding.
The combination of cell destruction and fluid-filled alveoli interrupts the transportation of oxygen into the bloodstream. In addition to their effects on the lungs, many viruses affect other organs. Viral infections weaken the immune system, making the body more susceptible to bacterial infection, including bacterial pneumonia.
In adults, Neisseria meningitidis and Streptococcus pneumoniae together cause 80% of bacterial meningitis cases. Risk of infection with Listeria monocytogenes is increased in people over 50 years old. [3] [8] The introduction of pneumococcal vaccine has lowered rates of pneumococcal meningitis in both children and adults. [28]