Cercarial dermatitis digital illustration

Cercarial dermatitis Save


ICD-10 code: B65.3

Disease category: B65: Schistosomiasis [bilharziasis]

Cercarial dermatitis, also known as "swimmer's itch," is a skin condition caused by an allergic reaction to the larvae of certain parasites found in contaminated water. This condition is common in many parts of the world, especially in freshwater lakes and ponds during the summer months. In this article, we will discuss the causes, symptoms, and treatment options for cercarial dermatitis.

Causes:
Cercarial dermatitis is caused by exposure to the larvae of certain parasites, such as bird schistosomes and mammalian schistosomes, which are found in contaminated freshwater. These parasites are commonly found in lakes, rivers, and ponds, especially in warm weather when the water temperature is high. When humans come into contact with contaminated water, the larvae can burrow into the skin, causing an allergic reaction.

Symptoms:
The symptoms of cercarial dermatitis typically appear within hours of exposure to contaminated water. The most common symptom is a rash or itching sensation on the affected area of skin, which can be mild or severe. Other symptoms may include redness, swelling, and small blisters on the skin. In some cases, the symptoms may be accompanied by fever, fatigue, and headache.

Prevention:
The best way to prevent cercarial dermatitis is to avoid swimming in contaminated water. Paying attention to posted warning signs, avoiding stagnant water, and wearing protective clothing while swimming can also help prevent exposure to the parasites. It is also important to dry off quickly after swimming and to avoid scratching the affected area of skin, as this can lead to further irritation and potential infection.

In conclusion, cercarial dermatitis, also known as "swimmer's itch," is a skin condition caused by exposure to the larvae of certain parasites found in contaminated water. While the symptoms can be uncomfortable, the condition usually resolves on its own within a few days. By taking steps to prevent exposure to contaminated water, such as avoiding stagnant water and wearing protective clothing while swimming, individuals can reduce their risk of developing cercarial dermatitis. If symptoms persist or are severe, seeking medical attention is recommended.

Treatment of Cercarial dermatitis:

Cercarial dermatitis, also known as "swimmer's itch," is a skin condition caused by an allergic reaction to the larvae of certain species of waterborne parasites. The condition is usually self-limiting, and the rash and itching often resolve without treatment within a few days to a few weeks. However, there are some measures that can be taken to relieve symptoms and promote healing.

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