Loa loa filariasis history and symptoms
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Kalsang Dolma, M.B.B.S.[2]
Overview
Symptoms include itchy swellings (Calabar swellings) anywhere on the body, that are usually non painful and are often found near joints. Less common symptoms include generalized itching, muscle pain, joint pain, and fatigue. Infected persons may not have any symptoms at all
History and Symptoms
In the human host, Loa loa larvae migrate to the subcutaneous tissue where they mature to adult worms in approximately one year, but sometimes up to four years. Adult worms migrate in the subcutaneous tissues, mating and producing more microfilaria. The adult worms can live up to 17 years in the human host.
- Itchy swellings ( Calabar swellings) anywhere on the body: Swellings may last for 1–3 days.
- Generalized itching
- Muscle pain
- Joint pain
- Fatigue
- Infected persons may not have any symptoms at all.