Does the coccidia cause any symptoms in humans?
Dog roundworms, also known by the scientific name Toxocara canis, are parasites that commonly affect dogs but can also impact humans. When it comes to human infection, the symptoms can vary widely depending on the severity of the infestation and the stage of the worm's lifecycle within the human body.
Infection Route
Humans typically contract roundworms from contaminated soil, where the eggs of the worms are present. This can happen when a person inadvertently ingests the eggs, which are then released into the intestines where they hatch and grow into larvae.
Common Symptoms
Once inside the human body, the larvae can migrate to various organs, leading to a range of symptoms. In the early stages of infection, individuals might experience:
- Gastrointestinal symptoms such as abdominal pain, nausea, and diarrhea.
- A cough or wheezing if the larvae have reached the lungs.
- Fatigue and a general feeling of malaise.
- Loss of appetite and weight loss.
If the larvae migrate to the eyes, a condition known as ocular larva migrans can occur. This can lead to eye pain, redness, and vision problems. In severe cases, it may even cause blindness.
Less Common Symptoms
Some individuals may experience less common symptoms, particularly if the larvae penetrate the brain or other vital organs. These symptoms can include:
- Seizures or other neurological issues.
- High blood pressure.
- Skin rashes or hives.
Diagnosis and Treatment