Exanthem
(Redirected from Viral exanthem)
Exanthem[edit | edit source]
Overview[edit | edit source]
Exanthem refers to a widespread, acute rash that appears on the skin. It is commonly associated with viral infections, allergies, or as a reaction to medications. Exanthems are especially prevalent in children and can be a key indicator of certain diseases.
Causes[edit | edit source]
Exanthem can be triggered by various factors:
- Viral Infections: Such as measles, rubella, and chickenpox.
- Bacterial Infections: Including scarlet fever and certain forms of meningitis.
- Drug Reactions: Some medications can cause allergic skin reactions.
- Autoimmune Disorders: Conditions like lupus may present with exanthematic rashes.
Types of Exanthem[edit | edit source]
Exanthem is categorized into several types, each with distinct characteristics:
- Exanthem Subitum (Roseola Infantum): Characterized by high fever and a rash that appears as the fever subsides.
- Rubella (German Measles): Features fine, pink rashes.
- Measles (Rubeola): Known for its large, flat blotches that flow into one another.
- Erythema Infectiosum (Fifth Disease): Causes a “slapped cheek” appearance in children.
- Hand, Foot, and Mouth Disease: Presents with sores in the mouth and a rash on the hands and feet.
Diagnosis[edit | edit source]
Diagnosing exanthem involves:
- Clinical Examination: Assessing the type, location, and pattern of the rash.
- Medical History: Reviewing symptoms and exposure to potential triggers.
- Laboratory Tests: Blood tests, throat swabs, or skin biopsies, if necessary.
Treatment[edit | edit source]
Treatment of exanthem varies based on the underlying cause:
- Viral Exanthems: Generally require no treatment, as they resolve on their own.
- Bacterial Infections: Treated with antibiotics.
- Allergic Reactions: Managed with antihistamines or steroids.
- Supportive Care: Includes hydration and fever management.
Prevention[edit | edit source]
Preventive measures include:
- Vaccinations: Against diseases like measles and rubella.
- Good Hygiene Practices: To reduce the risk of infection.
- Avoiding Known Allergens: If allergic reactions are the cause.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
- Centers for Disease Control and Prevention - Skin Rashes
- World Health Organization - Disease Outbreaks
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