Lymphatic filariasis
ICD-10 B74 · ICD-11 1F66.3

Acute Filarial Lymphangitis with Persistent or Recurring Attacks — When Oral Antibiotics Have Not Controlled the Condition

Clinical Scenario

This protocol addresses patients experiencing an acute attack of filarial lymphangitis characterised by persistent or recurring fever, pain, and swelling in the limbs, genitalia, breasts, or scrotum, accompanied by redness and warmth of the affected area. The acute inflammatory reaction reflects involvement of the lymphatic vessels and may keep recurring despite initial management.

Previous Treatment — Goal Not Achieved

An initial regimen of oral antibiotics, analgesics, anti-inflammatory agents, local cooling measures, wound hygiene, and increased hydration was used for the acute adenolymphangitis episode. The intended outcome — a meaningful reduction in the frequency of acute attacks — was not achieved, making escalation to this next-line protocol appropriate.

Next-Line Approach — Partial Overview

When oral antibiotic therapy has proved insufficient to control attacks, the next step involves a parenteral antibiotic strategy with inpatient care. The complete treatment selection, clinical criteria, and sequencing are set out in the full structured protocol.

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References

Some individuals may experience an acute inflammatory reaction called "acute filarial lymphangitis" during which the lymphatic vessels become inflamed.

Pain and swelling in the limbs, genitalia, breasts, or scrotum.

Redness and warmth of the affected area.

If the individual has persistent or recurring fever along with pain and swelling in the limbs, genitalia, breasts, or scrotum, it may indicate acute filarial lymphangitis.

If patient has co-morbidities and severe infection parenteral antibiotics may be required and patient should be hospitalized.

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