The symptoms of dog roundworms transmitted to humans are...

Dog roundworms, also known as Toxocara canis, are common parasites found in dogs. While they typically affect canines, there's a possibility of these worms infecting humans as well. When this happens, it can lead to a condition known as toxocariasis. This parasitic infection can cause a variety of symptoms and health issues in humans, particularly children who are more prone to infection due to their tendency to play in soil and put dirty hands in their mouths.

One of the most common symptoms of toxocariasis is a persistent cough. This symptom occurs because the larvae of the roundworms migrate to the lungs, leading to inflammation and irritation. The cough may be dry or productive, and in some cases, it can be mistaken for a common cold or respiratory infection.

Skin problems are another indicator of a roundworm infection. Rashes and itching are frequent, as the larvae can migrate under the skin, causing redness, swelling, and discomfort. These symptoms can be particularly distressing for those affected, as the itching can be intense and persistent.

Gastrointestinal symptoms are also prevalent. Abdominal pain, nausea, and diarrhea can occur if the larvae make their way to the digestive system. In some cases, anemia might develop due to blood loss from the intestines, leading to fatigue and weakness.

When the larvae reach the eyes, a condition known as ocular larva migrans can develop. This can lead to vision problems, including blurred vision or even partial or complete loss of vision in severe cases. Eye pain, redness, and floaters in the vision are also possible symptoms.

Central nervous system involvement is less common but can be the most severe. If the larvae affect the brain, it can lead to headaches, seizures, and even neurological damage. These symptoms require immediate medical attention.

Given the range of symptoms and potential severity of the condition, it's crucial to take preventive measures to avoid infection. Regular deworming of pets is essential. Dogs should be treated with appropriate deworming medication as recommended by a veterinarian to reduce the risk of them shedding eggs that can contaminate the environment.

Good hygiene practices are also vital. Washing hands thoroughly after playing with pets, after gardening, and before eating can significantly reduce the risk of ingesting roundworm eggs. It's also important to keep children away from areas where dogs defecate and to clean up any feces promptly to prevent the spread of the parasite.

For those who suspect they might be infected, seeking medical advice is crucial. Diagnosis typically involves a physical examination and various tests, such as blood tests to detect antibodies or imaging tests to see if larvae are present in different tissues. Treatment usually involves antiparasitic medications, and in some cases, corticosteroids to reduce inflammation.

Awareness of the symptoms and taking preventive steps can greatly minimize the risk of human infection from dog roundworms. By maintaining clean environments, practicing good hygiene, and ensuring pets are properly dewormed, the likelihood of encountering this parasitic infection is significantly reduced.