Erysipelas Infection – Treatment

Definition of Erysipelas Infection Erysipelas is a streptococcal infection of the dermis, the middle layer of the skin. Infection commonly follows strep throat, with the bacteria likely carried on the hands to the skin where a scratch or other breach allows the bacteria to colonize into an infection. The infection presents characteristic symptoms that allow prompt clinical diagnosis. These symptoms include Redness […]

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Escherichia (E) Coli Infection and Symptoms

Escherichia (E.) Coli Infection – Definition Escherichia (E.) coli – Illness that results from infection with any of the numerous strains of Escherichia coli bacteria, some of which are normal flora in the human gastrointestinal tract and others that are normal flora in the gastrointestinal tracts of animals consumed as food (such as cattle and poultry). Most strains of E. coli […]

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Gonorrhea in Women/Men – Symptoms and Treatment

Definition of Gonorrhea A sexually transmitted disease (STD) resulting from infection with the bacterium Neisseria gonorrhoeae. N. gonorrhoeae infects 350,000 Americans each year, though public health officials believe another 350,000 people have gonorrhea that goes undiagnosed because they do not know they are infected. Gonorrhea is highly contagious and passes among sexual partners through vaginal intercourse, anal […]

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Listeriosis and Bacteria Listeria – Symptoms and Treatment

Listeriosis and Bacteria Listeria – Definition Listeriosis – an illness that results from infection with the bacterium Listeria monocytogenes. Listeriosis most often occurs as a foodborne illness and has the potential to cause serious symptoms. Listeria monocytogenes are normally present in soil and can contaminate milking equipment. Animals also can carry Listeria monocytogenes without illness. The most common […]

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Lyme Disease – Symptoms, Treatment and Prevention

Lyme disease Definition Lyme disease – an illness that results from infection with the bacterium Borrelia burgdorferi in North America and other Borrelia species in Europe. The bite of the Ixodes scapularis tick, common in wooded areas throughout the northern United States, spreads the infection. B. burgdorferi infection primarily causes flulike symptoms though may also affect the central […]

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Pneumococcal Pneumonia – Symptoms and Treatment

Pneumococcal Pneumonia Definition Pneumococcal pneumonia – An illness resulting from infection with the bacterium Streptococcus pneumoniae, which is normally present in the mucous membranes of the nose and sinuses. Researchers do not know what processes occur in the body that allow S. pneumoniae to shift from normal flora to causing infection in its native environment. Pneumococcal pneumonia is a […]

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Strep Throat – Symptoms and Treatment

Strep Throat and Definition An infection of the pharynx (throat), also called streptococcal pharyngitis, with various strains of group A beta-hemolytic streptococcal bacteria. Strep throat is highly contagious through contact with saliva and requires treatment with antibiotic medications to prevent potentially serious complications such as rheumatic heart disease. Symptoms and Diagnostic Path The symptoms of strep throat come on suddenly, usually within five days […]

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Syphilis – Symptoms, Signs and Treatment

Syphilis Definition A sexually transmitted disease (STD) that results from infection with the bacterium Treponema pallidum. Syphilis spreads through vaginal intercourse, anal intercourse, and oral sex. It is not possible to acquire syphilis from objects such as toilet seats or in hot tubs. Syphilis is curable with appropriate antibiotic therapy. Untreated syphilis can cause widespread […]

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Tuberculosis (Disease) – Symptoms and Treatment

Tuberculosis Definition An illness resulting from infection with the microbe Mycobacterium tuberculosis. Though tuberculosis most commonly infects the lungs, the disease may involve other organs as well, notably the kidneys. Health experts estimate more than 2 billion people worldwide have active (symptoms are present) or latent (symptoms are not present) tuberculosis. An important characteristic of […]

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Anthrax Disease – Definition, Symptoms, Treatment

Anthrax Definition An illness resulting from infection with the bacterium Bacillus anthracis. Anthrax is a naturally occurring infection among wild and domestic livestock (such as cows, sheep, goats, and antelope). Anthrax is rare in people in the United States, though more common in people who live, work, or travel to countries where anthrax is more common in livestock. […]

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