An Integrated Approach to Shingles: From Diagnosis to Prevention

Herpes zoster (HZ), commonly known as shingles “kenali cacar api”, is the clinical manifestation of the reactivation of Varicella-Zoster Virus (VZV), which initially causes varicella (chickenpox). Although often considered a minor skin condition, HZ has the potential to cause long-term neurological complications, particularly in older adults and immunocompromised patients.

General practitioners and frontline healthcare providers play a crucial role in recognizing, managing, and preventing HZ. An integrated approach—including accurate diagnosis, timely treatment, and preventive strategies through education and vaccination—is essential to reduce morbidity.

Pathophysiology

Following a primary varicella infection, VZV remains latent in the dorsal sensory ganglia. Reactivation may occur due to a decline in cellular immunity, particularly reduced function of CD4+ and CD8+ T lymphocytes specific to VZV. This leads to nerve inflammation and vesicular eruptions along the affected dermatome.

Diagnosis of Herpes Zoster

A. Clinical Diagnosis

· Shingles “kenali cacar api” is typically diagnosed based on clinical presentation:

· Prodromal symptoms: burning pain, tingling, or localized itching 1–5 days before rash onset.

· Vesicular lesions: confined to a single dermatome, unilateral, not crossing the midline.

· Neuropathic pain: moderate to severe intensity, may precede the rash.

B. Supporting Diagnostics

These may be required when the diagnosis is uncertain or in immunocompromised patients:

· PCR of VZV-DNA from lesion fluid (gold standard).

· Tzanck smear: shows multinucleated giant cells, but is non-specific.

· IgG/IgM serology: not sensitive for reactivation.

· Skin biopsy: for differential diagnosis from herpes simplex, contact dermatitis, or vasculitis.

Integrated Management

A. Antiviral Therapy

Most effective when started within 72 hours of rash onset:

· Acyclovir 800 mg 5 times/day for 7 days

· Valacyclovir 1 g 3 times/day for 7 days

· Famciclovir 500 mg 3 times/day for 7 days

Note: Dose adjustment is necessary for patients with renal impairment.

B. Pain Management

· NSAIDs/paracetamol: for mild pain

· Gabapentin/pregabalin: for moderate to severe neuropathic pain

· Tricyclic Antidepressant (e.g., amitriptyline): second-line alternative

· Topical lidocaine patch: for localized allodynia

C. Prevention of Secondary Infection

· Maintain lesion hygiene

· Apply topical antibiotics if signs of bacterial superinfection are present

D. Management of Complications

· Postherpetic Neuralgia (PHN): persistent pain ≥90 days. Prevent with early antiviral therapy and aggressive pain control.

· Herpes zoster ophthalmicus: refer to ophthalmologist if lesions affect the V1 branch of the trigeminal nerve.

· Disseminated zoster: hospitalization and intravenous therapy are required for immunocompromised patients with widespread lesions.

Shingles Prevention and Vaccination

A. Vaccination Indications

· Adults aged ≥50 years, even if they have had previous HZ

· Patients with chronic illnesses: diabetes mellitus, cancer, CKD, HIV

· Immunocompromised individuals (vaccine selection must be appropriate)

B. Types of Vaccines

· Live-attenuated zoster vaccine : limited efficacy in older adults

· Recombinant zoster vaccine : high efficacy (>90%), non-live, safe for immunocompromised patients

Patient Education and the Role of Primary Care Physicians

· Early symptom education: encourages prompt treatment-seeking behavior

· Understanding “kenali cacar api” at-risk populations: elderly, cancer patients, transplant recipients, individuals with HIV

· Active vaccination campaigns: especially in primary care clinics, community health centers, and geriatric settings

Clinical Summary for Practice

Aspect Summary

Diagnosis Clinical; unilateral vesicular rash in a dermatomal pattern

Core Management Antivirals ≤72 hours, pain management, patient education

Main Complications PHN, ophthalmic zoster, Ramsay Hunt syndrome, dissemination

Vaccination Recommended for adults ≥50 years

Role of Physicians Early detection, prompt treatment, patient education

Conclusion

An integrated approach to managing shingles “kenali cacar api” involves a combination of rapid diagnosis, timely antiviral therapy, comprehensive pain management, and preventive strategies through vaccination. Frontline physicians play a central role in reducing complication rates and improving quality of life for patients with “kenali cacar api”, especially among older and immunocompromised populations.

Through continuous education and empowerment of primary care systems, the clinical burden of shingles can be significantly reduced.

References

1. Dworkin RH, et al. Management of Herpes Zoster and Postherpetic Neuralgia. Clin Infect Dis. 2007;44(Suppl 1):S1–S26.

2. Johnson RW, Rice AS. Herpes zoster postherpetic neuralgia: pathophysiology and management. BMJ. 2014;348:g3315.

3. Cunningham AL, et al. N Engl J Med. 2016;375(11):1019–1032.

4. Indonesian Dermatology Association. Clinical Guideline for Herpes Zoster, 2023 edition.


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