What Is The Causes Of Atopic Skin?

Question: Hello Doctor, I am 28 years old, working as an office worker. Recently I often have a lot of itchy skin on my hands and feet. I was tested and returned the result of Toxocara dog roundworm infection. Is itchy skin caused by dog roundworm infection doctor? I have not raised or interacted with dogs and have periodically contracted worms and why are they still infected? Looking forward to your doctor's help. I would like to thank you
Hello, thank you for sending your question to the Anh Nga Parasitic Clinic

. We would like to answer your questions as follows:
Skin itching is a reaction of the body to a foreign agent, causing discomfort to the body, requiring "scratching", in many cases scratching to new "itchy" bleeding.
Causes of itchy skin may be due to:
Parasitic infection: helminths, parasites in cats (Toxoplasma)
Allergies: allergic to weather, pollen, house dust mites, food .
Internal diseases: hepatobiliary diseases (hepatitis, biliary obstruction ..



..), diabetes mellitus, chronic kidney disease ...
Psychology: stress
In modern life, the causes of increased skin itching are allergies, parasites and stress The most common parasite that causes skin itching today is Toxocara canis (Toxocara canis - commonly known as a tapeworm) and a parasite in cats (Toxoplasma gondii) Many people infected with dog roundworm or the parasite on cats often ask: "My family does not have dogs and cats why I infected this?". To answer this question, we need to understand the infection cycle of dog roundworm and cat parasites.
Itching is caused by parasitic helminths of cats and dogs
Dog roundworm is a type of worm that lives in the intestines of dogs, usually puppies. Adult worms lay eggs, according to faeces for the environment.



. Worm eggs can live for months to years in the environment, and spread everywhere (thanks to the wind, the hand ..). Worm infections are caused by accidental ingestion of worm eggs, which can stick to foods (especially raw vegetables) or hands brought to the mouth Entering the intestine, worm eggs hatch into the larvae, penetrating into the bloodstream and traveling throughout the body. Toxocara canis larvae cannot mature in humans, so they cannot reproduce. Symptoms of itching are caused by the body's reaction to larvae in the blood, the body secretes a substance called histamine that causes itching.
Cat parasites (sometimes known as tapeworms) also have a route of infection similar to dog roundworm. When cats shed the parasite eggs in their feces, the eggs clung to the soil, grass, leaves ..



.. The herbivores and omnivores (pigs) are infected when eating this grass, the parasite will grow and create cysts in muscles. For humans, in addition to swallowing parasitic eggs, people can also be infected by eating undercooked cysts (similar to pig rice). Meats that can contain cat parasite cysts are cattle, pigs and sheep.
Thus, we can infect dog roundworm and cat parasites without raising or contacting dogs and cats.
To accurately diagnose the cause of itchy skin and effectively treat it, it is necessary to examine and test blood at the parasite specialist clinic.
Why is the helminthic periodic book infected with dog and cat flukes?
Periodic antihelminthics usually include Albendazole or Mebendazole. The drug only works with live worms in the digestive tract (roundworm, hair worm, hookworm, eel worm ..



.). For tapeworms (tapeworms) the drug has a limited effect. Especially with a single dose, the drug is not enough to kill dog and cat flukes. These two types of parasites need to be treated according to a specialized protocol, with a longer treatment period, combined medication.
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