Haverhill fever

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Obesity, Sleep & Internal medicine
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Haverhill fever
Streptobacillus moniliformis
Synonyms	Rat-bite fever
Pronounce	N/A
Specialty	Infectious disease
Symptoms	Fever, chills, headache, vomiting, muscle pain, joint pain, rash
Complications	Endocarditis, meningitis, pneumonia
Onset	3-10 days after exposure
Duration	Variable, can be prolonged without treatment
Types	N/A
Causes	Streptobacillus moniliformis
Risks	Exposure to rats or environments contaminated with rat secretions
Diagnosis	Blood culture, polymerase chain reaction (PCR)
Differential diagnosis	Leptospirosis, syphilis, Rocky Mountain spotted fever
Prevention	Avoid contact with rats, maintain good hygiene
Treatment	Antibiotics such as penicillin or doxycycline
Medication	N/A
Prognosis	Good with treatment, potentially severe if untreated
Frequency	Rare
Deaths	N/A

Haverhill Fever is a type of rat-bite fever that is caused by the bacterium Streptobacillus moniliformis. It is also known as epidemic arthritic erythema. It is a rare disease that can be contracted through a rat bite or by consuming food or drink contaminated with rat feces.

Symptoms

The symptoms of Haverhill fever typically appear within 3-10 days after exposure to the bacterium. These symptoms may include:

• Fever
• Chills
• Vomiting
• Headache
• Muscle pain
• Joint pain
• Rash

Diagnosis

Diagnosis of Haverhill fever is typically made based on the patient's symptoms and history of exposure to rats. Laboratory tests can also be used to confirm the diagnosis. These tests may include:

• Blood culture
• Serology

Treatment

Haverhill fever is typically treated with antibiotics. The specific antibiotic used may depend on the patient's overall health and the severity of their symptoms. In severe cases, hospitalization may be required.

Prevention

Prevention of Haverhill fever primarily involves avoiding exposure to rats and practicing good hygiene. This may include:

• Avoiding areas where rats are known to live
• Washing hands thoroughly after handling rats or cleaning their cages
• Not eating or drinking in areas where rats are present

See also

• Rat-bite fever
• Streptobacillus moniliformis
• Epidemic arthritic erythema

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