What is Chickenpox?

Young child with a fever and spots due to chickenpox.

Chickenpox is a contagious viral illness that causes an itchy rash and flu-like symptoms. It’s most common in children but can be serious in adults and those with weakened immunity.

Quick Facts

Itchy, blister-like rash (usually starts on chest, back, and face)
Fever
Fatigue
Loss of appetite
Headache

Caused by the varicella-zoster virus
Spreads via airborne droplets or contact with fluid from blisters
Highly contagious 1–2 days before rash appears until all blisters scab

Antihistamines: To relieve itching (e.g., diphenhydramine)

Acetaminophen: Reduces fever and discomfort

Antiviral medications: (e.g., acyclovir) for high-risk patients

Cool baths & calamine lotion: Soothe irritated skin

Specialties That Treat This Condition

Infectious Disease

Pediatric nurse checking a young girl's height as part of her annual physical.

Pediatrics

An internist checking a patient's blood pressure as part of their annual preventative care.

Internal Medicine

What To Do Next?

If symptoms persist or interfere with daily life, a healthcare provider can help evaluate the cause and discuss appropriate next steps.

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Medical Disclaimer: This content is provided for general educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Conditions and treatment options vary by individual. Always consult a qualified healthcare provider regarding symptoms or medical concerns.