---
title: "Lymphatic filariasis (elephantiasis) | Eye Health Guide"
description: "What lymphatic filariasis is, why WHO leads elimination programmes in Indonesia and other endemic countries, and how it relates to global eye health."
url: https://eyehealthguide.org/conditions/lymphatic-filariasis/
source: Eye Health Guide
licence: "General information only. Cite the URL and the named medical reviewer."
---

Condition

# Lymphatic filariasis (elephantiasis)

Medical reviewer [Mr Mohamed Mohyudin](https://eyehealthguide.org/reviewers/mohamed-mohyudin/)· Last recorded site review July 6, 2026

### About this review

This page inherits the site’s previous review record. A separate, current article sign-off has not yet been recorded.

[How review works](https://eyehealthguide.org/reviewers/) · [Official biography & credentials](https://mohamedmohyudin.co.uk/author/mohamed-mohyudin/)

Quick answer

Lymphatic filariasis is a parasitic disease spread by mosquitoes, causing limb and genital swelling (elephantiasis) in long-standing infection. It is a WHO- targeted neglected tropical disease common in parts of Indonesia, South Asia, Africa and the Pacific. Direct eye disease is uncommon, but it belongs on a global eye-health site because WHO elimination programmes and community drug distribution overlap with other sight-saving campaigns such as trachoma and river blindness control.

### On this page ⌄

1. Your next step
2. What it is
3. Where it occurs
4. Relation to the eyes
5. WHO prevention
6. Related conditions
7. Treatments & Surgery
8. Frequently asked questions

## What it is

Lymphatic filariasis is caused by thread-like worms transmitted through repeated mosquito bites. Larvae migrate to the lymphatic system, damaging vessels and causing swelling, pain and recurrent fevers in endemic communities.

## Where it occurs

Endemic areas include many parts of Indonesia, India, Bangladesh, sub-Saharan Africa, Haiti and the Pacific islands. Risk rises with long-term residence in affected villages rather than short tourism.

- Rural areas with limited mosquito control
- Coastal and river communities in tropical climates
- Regions where mass drug administration programmes operate

## Relation to the eyes

Eye complications are not the main feature of lymphatic filariasis. Very rarely, inflammation near facial lymphatics can cause eyelid swelling during acute episodes. The main eye-health link is programmatic: WHO integrates filariasis elimination with other neglected tropical disease work that prevents blindness.

## WHO prevention

Mass drug administration with medicines such as albendazole combined with ivermectin or diethylcarbamazine, repeated annually in endemic districts, clears larvae and stops transmission. Mosquito nets and bite prevention support elimination goals.

## Related conditions

## Treatments & Surgery

## Frequently asked questions

### Is lymphatic filariasis common in Indonesia?

Yes in some districts, which is why Indonesia runs WHO-aligned elimination programmes with annual community treatment in endemic areas.

### Does lymphatic filariasis cause blindness?

Blindness is not typical. The disease mainly affects limbs and lymphatic drainage. It is included here because WHO groups it with other preventable tropical diseases relevant to global sight programmes.

### How is lymphatic filariasis prevented?

Annual mass drug administration to eligible communities, mosquito bite prevention, and treatment of acute attacks under national guidelines are the main WHO-backed strategies.

Your next step

## Take this to your appointment

Write down what has changed, when it started, your current medicines and the questions you want answered. Take these to your eye-care appointment.

Sudden loss of sight, severe eye pain or a dark curtain across vision needs immediate assessment. Do not wait to complete a worksheet.

## Sources for this information

These references support the information on this page. Follow the linked source for its full context.

- [World Health Organization - Lymphatic filariasis](https://www.who.int/news-room/fact-sheets/detail/lymphatic-filariasis)