Leishmaniasis (patient information)

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S

Overview[edit | edit source]

Leishmaniasis is a parasitic disease spread by the bite of the sandfly.

What are the symptoms of Leishmaniasis?[edit | edit source]

Cutaneous leishmaniasis affects the skin and sometimes the mucus membranes. Symptoms may include:

• Skin sores, which may become a skin ulcer that heals very slowly
• Ulcers and wearing away (erosion) in the mouth, tongue, gums, lips, nose, and inner nose
• Stuffy nose, runny nose, and nosebleeds
• Breathing difficulty
• Swallowing difficulty

Systemic visceral infection in children usually begins suddenly with vomiting, diarrhea, fever, and cough. Adults usually have a fever for 2 weeks to 2 months, along with symptoms such as fatigue, weakness, and appetite loss. Weakness increases as the disease gets worse. Other symptoms of systemic visceral leishmaniasis may include:

• Belly area (abdominal) discomfort
• Cough (children)
• Diarrhea (children)
• Fever that lasts for weeks; may come and go in cycles
• Night sweats
• Scaly, gray, dark, ashen skin
• Thinning hair
• Vomiting (children)
• Weight loss

What causes Leishmaniasis?[edit | edit source]

Leishmaniasis is a parasitic disease spread by the bite of the sandfly.

Who is at highest risk?[edit | edit source]

There are different forms of leishmaniasis.

• Cutaneous leishmaniasis affects the skin and mucus membranes. Skin sores usually start at the site of the sandfly bite. They can last for months or years before healing on their own. In a few people, sores may develop on mucus membranes.
• Systemic, or visceral leishmaniasis affects the entire body. This form occurs 2 - 8 months after a person is bitten by the sandfly. Most people do not remember having a skin sore. This form can lead to deadly complications. The parasites damage the immune system by decreasing the numbers of disease-fighting cells. Cases of leishmaniasis have been reported on all continents except Australia and Antarctica. In the Americas, leishmaniasis can be found in Mexico and South America. Leishmaniasis has been reported in military personnel returning from the Persian Gulf.

When to seek urgent medical care?[edit | edit source]

If you feel that you are developing symptoms of Leishmania as listed above call your health professional

Treatment options[edit | edit source]

Medicines called antimony-containing compounds are the main drugs used to treat leishmaniasis. These include:

• Meglumine antimonate
• Sodium stibogluconate

Other drugs that may be used include:

• Amphotericin B
• Fluconazole
• Pentamidine

Plastic surgery may be needed to correct the disfigurement caused by sores on the face (cutaneous leishmaniasis). Patients with drug-resistant viral leishmaniasis may need to have their spleen removed.

Diagnosis[edit | edit source]

A physical exam may show signs of an enlarged spleen, liver, and lymph nodes. The patient may have been bitten by sandflies, or was in an area known for leishmaniasis. Tests that may be done to diagnose the condition include:

• Biopsy of the spleen and culture
• Bone marrow biopsy and culture
• Direct agglutination assay
• Indirect immunofluorescent antibody test
• Lymph node biopsy and culture
• Montenegro skin test
• Skin biopsy

Other tests that may be done include:

• Complete blood count
• Serum immunoglobulin levels
• Serum protein
• Serum albumin
• Serologic testing

Where to find medical care for Leishmaniasis?[edit | edit source]

Directions to Hospitals Treating Leishmaniasis

Where to find medical care for (condition)?[edit | edit source]

Directions to Hospitals Treating Condition

What to expect (Outlook/Prognosis)?[edit | edit source]

Cure rates are high with the proper medicine. Patients should get treated before damage to the immune system occurs. Cutaneous leishmaniasis may lead to disfigurement. Death is usually caused by complications (such as other infections), rather than from the disease itself. Death often occurs within 2 years.

Possible complications[edit | edit source]

• Deadly infections due to immune system damage
• Disfigurement of the face
• Bleeding (hemorrhage)

Sources[edit | edit source]

http://www.nlm.nih.gov/medlineplus/ency/article/001386.htm

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