Reasons Why Dog Disease Causes Prolonged Itching | Disease Advice

Ms. Ng.Th.T's question lives in Binh Chanh, Tp. HCM, why do dog flu disease cause prolonged itching? Your skin has been itchy for years and often appears at night, lasting 20 to 30 minutes at a time, initially itching on the back, the abdomen spreading down the buttocks and thighs

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I have checked and tested for infection with dog fluke toxocara index positive 60. The doctor let me ask: Why do dog fluke infections cause prolonged pruritus? Can pruritic eczema be treated? Is dog flu infection dangerous? How much does treatment cost? I have treated itching in many places, sometimes itching lasts all year but still not cured. Looking forward to consulting your doctor
Hi NgTh.T, thank you for sharing this information, we answer them as follows.



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WHAT YOU NEED TO KNOW ABOUT PREVENTION
1. What is rashes?
Skin rashes are a reaction of the body to a strange factor, also known as foreign antigen, with different characteristics and patterns of skin lesions but a common feature is itchy, itchy and irritated skin. redness, hives, hot skin surface, .. may appear at any time, short or long, severity or mildness depending on the pathogen
Usually 70% of skin rashes are caused by pathologies, especially dog flu infections in the blood that cause itching to increase, 30% of skin rashes due to other causes such as, fungal skin diseases, genetic factors, changes Endocrine changes. Pruritus medication relieves the disease, eliminates the itching medication again, and the treatment time is longer than 2 weeks. It is called prolonged pruritus.
When your skin shows signs of itching, blood tests should be done to find the cause
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. What is schistosomiasis in humans?
Human tapeworm, also known as Toxocara, is transmitted to humans by ingestion of larvae through food and drink, by contact with contaminated sand and soil. Children infected dog tapeworm due to habit of sucking on the hands, .. After infection of the dog tapeworm 1-2 weeks, the eggs develop into larvae that penetrate into the blood, move to parts of the body.
Images of Toxocara dog trematode larvae contraception
3. Why do dog flukes cause long-lasting itching?
While ingesting food or living, we accidentally swallow worm eggs, then in the intestine will develop into larvae, larvae go through the intestinal wall into the bloodstream and move to organs such as the heart, liver, kidneys. , lungs, eyes and brain.
The process of moving in the blood of a dog flukes excreted toxins, the body now recognizes it as a harmful allergen and responds by releasing and strengthening the histamine available in the body to fight off.



. Toxins are secreted by tapeworm larvae. When the concentration of histamine increases, it will cause long-lasting allergy phenomena, angioedema, hot skin, uncomfortable feeling of fatigue
Depending on the time of infection, the amount of larvae more or less, the organ and immune of each person that have manifestations of skin rashes due to prolonged or short term dog fluke.
The tapeworm larvae move in the bloodstream which causes long-lasting itching
4. When itchy skin due to dog flukes but do not know if infected tapeworms take itchy drugs harmful?
When prolonged itching has not determined the cause you will think of taking allergy medicine to reduce itching. As you know, the body strengthens Histamine to combat the toxins secreted by dog flukes, when blood histamine levels rise like a double-edged sword, on the one hand against dog flukes on the other hand it causes itching, angioedema, intestinal edema causes abdominal pain. Anti-itch medicine is antihistamine which is a drug to counteract histamine concentration in the body, works well in reducing the prolonged itching caused by dog flukes.
Using antihistamine drugs only has immediate effects, has no long-term effects, does not work to treat the cause of the disease. Therefore, antihistamines should not be used for more than 3 weeks. Long-term use will damage the liver, kidneys, cause drowsiness, drowsiness, affect labor productivity and danger in traffic.




5. Who is at risk of getting schistosomiasis?
Everyone can get trichinosis. Especially families with dogs and cats and children infected higher than adults. The prevalence in rural areas is higher than in cities due to the use of polluted water and frequent soil contact. Specifically, the following cases are more at risk of dog flukes and can be skin itching due to dog flukes than other subjects:
People who eat raw vegetables and raw meat
People have a habit of eating animal organs that have not been properly cooked, using unhygienic water sources.
People raising pets, gardeners, playing sports come into contact with sandy soil contaminated with tapeworm larvae
People do not have the habit of washing their hands before eating
In Vietnam, about 20% of people have antibodies positive for Toxocara dog fluke and this rate is increasing rapidly. In the US, the positive rate is about 13.9%, in the UK it is 2 - 5%
6. How is schistosomiasis transmitted to humans?
When cats and dogs defecate into the environment, their untreated faeces will release large amounts of Toxocara dog tapeworm eggs and contaminate water, soil, sand, vegetables and tubers.



. Water users, sports players, gardeners, people with a habit of eating raw vegetables, at risk of infant infection.

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