Shigellosis – Symptoms and Treatment

Shigellosis Definition and Symptoms An illness resulting from infection with any of numerous strains of shigella bacteria. Shigellosis most commonly occurs as a foodborne illness, producing symptoms of fever, abdominal cramping, and bloody diarrhea within about 12 hours of infection with the bacteria. The illness is generally self-limiting, running its course in five to seven days. Most people recover fully, though for […]

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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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Diphtheria (Corynebacterium Diphtheriae) Infection

Diphtheria Definition Diphtheria – an illness that results from infection with the bacterium Corynebacterium diphtheriae. Routine childhood immunization has made diphtheria rare in the United States, though the infection can occur in people who do not receive a booster vaccine every 10 years and is common in other parts of the world. Infection may involve the nose and throat (respiratory diphtheria) or […]

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Typhoid Fever – Symptoms and Treatment

Typhoid Fever Definition An illness resulting from infection with the bacterium salmonella typhi. Typhoid fever is rare in the United States, and most people who have the illness acquire the infection while traveling in regions of the world where typhoid fever is endemic. Substandard community sanitation is the key risk for the spread of typhoid […]

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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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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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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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Botulism Illness – Definition, Symptoms, Treatment

Definition of Botulism Botulism is a potentially life-threatening illness resulting from infection with the anaerobic bacterium Clostridium botulinum. The bacteria are naturally present in soil, where they encase themselves in spores. In the body, the bacteria release a toxin that blocks the release of acetylcholine, a neurotransmitter that facilitates nerve impulses from neurons to muscle cells, causing paralysis that may range in […]

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