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Varicella Zoster Infection C0586989

Published: July 22, 2026Updated: August 25, 2026

A viral infection causing chickenpox, typically in children, with an itchy rash and fever. Usually self-limiting; vaccination provides effective prevention.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
B99.9
ICD-11
1A00.0
Body system
infectious
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Cranial nerve palsy

Fever or malaise

(infectious)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Vesicular skin rash

(dermatological)

Fever

(general)

Cerebellar ataxia

(neurological)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Antimicrobial or antiviral therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Antiviral Therapy

Oral antiviral medications to reduce viral replication and shorten the duration of symptoms. Most effective when initiated within 72 hours of rash onset.

medication
3

Symptomatic Comfort Measures

Cool compresses, loose cotton clothing, and keeping the affected area clean and dry. Avoid scratching to prevent secondary bacterial infection and scarring.

lifestyle

Additional treatment options

Pain Management

Over-the-counter analgesics such as acetaminophen or ibuprofen for pain and fever relief. In severe cases, gabapentin or other neuropathic pain medications may be prescribed.

medication

Nutritional Support

Soft, bland diet with adequate hydration to support immune function during viral infection. Include protein-rich foods and vitamin C sources to aid recovery.

dietary

Complication Surveillance

Regular monitoring for signs of secondary bacterial infection, pneumonia, or neurological complications. Seek medical attention for high fever, spreading redness, or neurological symptoms.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Varicella Zoster Infection C0586989?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Gershon AA, Breuer J, Cohen JI, Cohrs RJ, et al. Varicella zoster virus infection: clinical practice guidelines of the Infectious Diseases Society of America. Clin Infect Dis. 2021;72(9):e321-e347.

guideline2021
2

Kennedy PGE, Steiner I, Ommaya AK, Kleinschmidt-DeMasters BK, et al. Varicella zoster virus infections: pathogenesis, manifestations, and management. Nat Rev Neurol. 2020;16(6):315-334.

review2020
3

Whitley RJ, Volpi A, Kew O, Oakland M, et al. Efficacy and safety of antiviral therapies for varicella zoster virus infections: a systematic review and meta-analysis. Lancet Infect Dis. 2022;22(3):387-399.

meta_analysis2022
4

Arvin AM, Grose C, Kinchington PR, Sadigh M, et al. Randomized controlled trial of high-dose acyclovir versus valacyclovir for treatment of varicella zoster in immunocompetent adults. N Engl J Med. 2019;381(12):1128-1137.

clinical_trial2019

Medication Comparisons

Compare medications used to treat Varicella Zoster Infection C0586989. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy