Onchocerciasis, commonly known as River Blindness, is a parasitic disease transmitted through the bites of infected blackflies. The adult parasitic worms cause intense itching, skin disfiguration, and if left untreated, can lead to vision impairment and blindness.

Onchocerciasis (River Blindness) FAQ


What causes Onchocerciasis?

Onchocerciasis is caused by a parasitic worm transmitted through the bites of infected blackflies.

What are the common symptoms of Onchocerciasis?

Common symptoms include severe itching, skin rashes, and potentially vision impairment.

Can Onchocerciasis lead to blindness?

Yes, if left untreated, Onchocerciasis can lead to vision impairment and blindness.

How is Onchocerciasis diagnosed?

Diagnosis typically involves skin snips and/or serological tests to detect the presence of the parasite.

What is the treatment for Onchocerciasis?

The primary treatment is with antiparasitic medications such as Moxidectin and Ivermectin.

Are there any preventive measures for Onchocerciasis?

Preventive measures include insecticide-treated bed nets to reduce blackfly bites and community-based treatments.

Is Onchocerciasis endemic to specific regions?

Yes, it is endemic in certain areas of sub-Saharan Africa, Latin America, and Yemen.

Is Onchocerciasis contagious?

No, it is not directly contagious from person to person.

Can pets get Onchocerciasis?

No, Onchocerciasis specifically affects humans and is not known to affect pets.

What are the long-term effects of Onchocerciasis?

Long-term effects can include severe skin changes, eye disease, and in advanced cases, blindness.

Are there any side effects of Onchocerciasis medications?

Side effects of medications may include dizziness, headache, and gastrointestinal symptoms.

How long does treatment for Onchocerciasis last?

The duration of treatment may vary based on the severity of the infection and individual response to medications.

Can Onchocerciasis be completely cured?

While treatment can control the infection, complete eradication of the parasite from the body may not always be achievable.

Is Onchocerciasis a life-threatening condition?

In severe cases, where individuals develop blindness, the condition can significantly impact quality of life and independence.

Is there ongoing research for new Onchocerciasis treatments?

Yes, researchers are actively working on new therapies and potential vaccines for Onchocerciasis.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Mr. Matthew Liew