DRACUNCULIASIS

Dracunculiasis, commonly known as Guinea worm disease (GWD), is induced by the parasite Dracunculus medinensis. GWD is transmitted by water containing larvae of the Guinea worm. GWD impacts poor populations in rural areas of Africa that lack access to potable water. GWD may happen at any time of year, although it is more widespread during the peak transmission period, which varies by country.

Dracunculiasis predominantly affects humans. However, infections in animals, notably dogs, have been observed in recent years. As a consequence of studies into the source of Guinea worm infections in animals, it is currently believed that GWD might be transferred to both humans and animals via the ingestion of some aquatic creatures, such as fish and frogs, which may contain Guinea worm larvae but are immune to transmission. Dracunculiasis is the first parasitic ailment to be targeted for extinction, and is considered a neglected tropical disease (NTD) by global health officials.

SYMPTOMS

Symptoms normally do not appear until approximately a year after being infected. The individual then starts to feel unwell. A fever, swelling, and discomfort in the location may develop a few days to hours before the worm emerges from the skin. More than 90% of worms emerge from the legs and feet; however. worms may also occur in other regions of the body. The following are examples of symptoms:

  • Vomiting
  • Itchy rash
  • Diarrhea
  • Dizziness
  • Nausea
  • Slight fever
  • Blister caused by the worm breaking through the skin

DIAGNOSIS

A basic physical exam is used to identify Guinea worm illness. After immersing the afflicted region in water, healthcare practitioners search for the unmistakable white, stringy worm protruding through the blister.

There are currently no diagnostic tests available to detect people who are infected prior to the appearance of symptoms.

TREATMENT

Dracunculiasis, like many other neglected tropical diseases, has no cure or particular treatment. Deworming drugs used to treat other parasitic illnesses do not seem to treat or prevent Guinea worm infections. Instead, treatment often involves a long and painful operation to remove the worm.

  • The injured body portion is submerged in water to encourage the worm to protrude even more from the wound.
  • To avoid infection, the incision and surrounding region are cleansed.
  • A few centimeters of the worm is wrapped around a stick or piece of gauze, being careful not to damage it. This prohibits the worm from returning to the host and encourages other worms to leave.
  • This is repeated daily for several days or even weeks until the worm is recovered.

Ibuprofen and other analgesics may be used to reduce swelling and pain. To avoid bacterial infection, affected areas may be treated with antibiotic ointment.

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