Viral hemorrhagic fever: Difference between revisions
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{{Infobox medical condition | |||
| name = Viral hemorrhagic fever | |||
| image = [[File:7042_lores-Ebola-Zaire-CDC_Photo.jpg|250px]] | |||
| caption = [[Ebola virus]] | |||
| field = [[Infectious disease]] | |||
| symptoms = Fever, fatigue, dizziness, muscle aches, bleeding | |||
| complications = [[Shock (circulatory)|Shock]], [[multi-organ failure]] | |||
| onset = Sudden | |||
| duration = Varies | |||
| causes = [[Virus|Viral]] infection | |||
| risks = [[Exposure]] to infected animals or people | |||
| diagnosis = [[Blood test]], [[PCR]] | |||
| differential = [[Malaria]], [[typhoid fever]], [[dengue fever]] | |||
| prevention = [[Vaccine]], [[avoidance]] of exposure | |||
| treatment = [[Supportive care]], [[antiviral drugs]] | |||
| prognosis = Varies by virus | |||
| frequency = Rare | |||
}} | |||
'''Viral hemorrhagic fever''' ('''VHF''') refers to a group of illnesses that are caused by several distinct families of viruses. In general, the term "viral hemorrhagic fever" is used to describe a severe multisystem syndrome (multisystem in that multiple organ systems in the body are affected). Characteristically, the overall vascular system is damaged, and the body's ability to regulate itself is impaired. These symptoms are often accompanied by hemorrhage (bleeding); however, the bleeding is itself rarely life-threatening. While some types of hemorrhagic fever viruses can cause relatively mild illnesses, many of these viruses cause severe, life-threatening disease. | '''Viral hemorrhagic fever''' ('''VHF''') refers to a group of illnesses that are caused by several distinct families of viruses. In general, the term "viral hemorrhagic fever" is used to describe a severe multisystem syndrome (multisystem in that multiple organ systems in the body are affected). Characteristically, the overall vascular system is damaged, and the body's ability to regulate itself is impaired. These symptoms are often accompanied by hemorrhage (bleeding); however, the bleeding is itself rarely life-threatening. While some types of hemorrhagic fever viruses can cause relatively mild illnesses, many of these viruses cause severe, life-threatening disease. | ||
== Causes == | == Causes == | ||
Viral hemorrhagic fevers are caused by viruses from four families: Arenaviridae, Filoviridae, Bunyaviridae, and Flaviviridae. Each of these families share a number of features: | Viral hemorrhagic fevers are caused by viruses from four families: Arenaviridae, Filoviridae, Bunyaviridae, and Flaviviridae. Each of these families share a number of features: | ||
* They are all RNA viruses, and all are covered, or enveloped, in a fatty (lipid) coating. | * They are all RNA viruses, and all are covered, or enveloped, in a fatty (lipid) coating. | ||
* Their survival is dependent on an animal or insect host, called the natural reservoir. | * Their survival is dependent on an animal or insect host, called the natural reservoir. | ||
* Except for the Arenaviruses, they are all arthropod-borne viruses. | * Except for the Arenaviruses, they are all arthropod-borne viruses. | ||
== Symptoms == | == Symptoms == | ||
The symptoms of viral hemorrhagic fever begin with fever and muscle aches and can result in severe bleeding, organ failure, and death. The severity of symptoms depends on the type of virus, with some causing mild illness and others causing severe disease. | The symptoms of viral hemorrhagic fever begin with fever and muscle aches and can result in severe bleeding, organ failure, and death. The severity of symptoms depends on the type of virus, with some causing mild illness and others causing severe disease. | ||
== Treatment == | == Treatment == | ||
There is no specific treatment for viral hemorrhagic fever. Patients receive supportive care to help manage symptoms, and in severe cases, hospitalization may be required. | There is no specific treatment for viral hemorrhagic fever. Patients receive supportive care to help manage symptoms, and in severe cases, hospitalization may be required. | ||
== Prevention == | == Prevention == | ||
Prevention of viral hemorrhagic fever involves avoiding contact with infected animals or insects and taking precautions to prevent infection if exposure is unavoidable. | Prevention of viral hemorrhagic fever involves avoiding contact with infected animals or insects and taking precautions to prevent infection if exposure is unavoidable. | ||
== See also == | == See also == | ||
* [[Ebola virus disease]] | * [[Ebola virus disease]] | ||
* [[Dengue fever]] | * [[Dengue fever]] | ||
| Line 30: | Line 38: | ||
* [[Lassa fever]] | * [[Lassa fever]] | ||
* [[Crimean-Congo hemorrhagic fever]] | * [[Crimean-Congo hemorrhagic fever]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Viral diseases]] | [[Category:Viral diseases]] | ||
[[Category:Hemorrhagic fevers]] | [[Category:Hemorrhagic fevers]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 23:12, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Viral hemorrhagic fever | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Fever, fatigue, dizziness, muscle aches, bleeding |
| Complications | Shock, multi-organ failure |
| Onset | Sudden |
| Duration | Varies |
| Types | N/A |
| Causes | Viral infection |
| Risks | Exposure to infected animals or people |
| Diagnosis | Blood test, PCR |
| Differential diagnosis | Malaria, typhoid fever, dengue fever |
| Prevention | Vaccine, avoidance of exposure |
| Treatment | Supportive care, antiviral drugs |
| Medication | N/A |
| Prognosis | Varies by virus |
| Frequency | Rare |
| Deaths | N/A |
Viral hemorrhagic fever (VHF) refers to a group of illnesses that are caused by several distinct families of viruses. In general, the term "viral hemorrhagic fever" is used to describe a severe multisystem syndrome (multisystem in that multiple organ systems in the body are affected). Characteristically, the overall vascular system is damaged, and the body's ability to regulate itself is impaired. These symptoms are often accompanied by hemorrhage (bleeding); however, the bleeding is itself rarely life-threatening. While some types of hemorrhagic fever viruses can cause relatively mild illnesses, many of these viruses cause severe, life-threatening disease.
Causes[edit]
Viral hemorrhagic fevers are caused by viruses from four families: Arenaviridae, Filoviridae, Bunyaviridae, and Flaviviridae. Each of these families share a number of features:
- They are all RNA viruses, and all are covered, or enveloped, in a fatty (lipid) coating.
- Their survival is dependent on an animal or insect host, called the natural reservoir.
- Except for the Arenaviruses, they are all arthropod-borne viruses.
Symptoms[edit]
The symptoms of viral hemorrhagic fever begin with fever and muscle aches and can result in severe bleeding, organ failure, and death. The severity of symptoms depends on the type of virus, with some causing mild illness and others causing severe disease.
Treatment[edit]
There is no specific treatment for viral hemorrhagic fever. Patients receive supportive care to help manage symptoms, and in severe cases, hospitalization may be required.
Prevention[edit]
Prevention of viral hemorrhagic fever involves avoiding contact with infected animals or insects and taking precautions to prevent infection if exposure is unavoidable.
See also[edit]
- Ebola virus disease
- Dengue fever
- Yellow fever
- Rift Valley fever
- Hantavirus pulmonary syndrome
- Lassa fever
- Crimean-Congo hemorrhagic fever
References[edit]
<references />
