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Sub-Category:

Childhood Exanthems

Number of Conditions: 1

Erythema Infectiosum

Specialty: Infectious Diseases

Category: Viral Infections

Sub-category: Childhood Exanthems

Symptoms:
slapped-cheek facial rash; low-grade fever; joint pain or swelling; fatigue; lace-like rash on the body

Root Cause:
Parvovirus B19 infects red blood cell precursors, causing transient aplastic crises in certain individuals.

How it's Diagnosed: videos
Clinical presentation, parvovirus B19 IgM and IgG antibody testing, and PCR for viral DNA.

Treatment:
Supportive care, including antipyretics and hydration; blood transfusion in severe anemia.

Medications:
NSAIDs (e.g., ibuprofen for joint symptoms). Immunoglobulin therapy in immunocompromised individuals.

Prevalence: How common the health condition is within a specific population.
Common in children, with outbreaks in schools; seroprevalence increases with age.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Close contact with infected individuals, underlying hemolytic disorders, or pregnancy.

Prognosis: The expected outcome or course of the condition over time.
Self-limiting in most cases; excellent prognosis.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Fetal hydrops in pregnant women, chronic anemia in immunocompromised individuals.