Stool tests These eggs travel through your digestive system and eventually can be found in your stool. To diagnose ascariasis, your doctor will examine your stool for the tiny (microscopic) eggs and larvae. But eggs won't appear in stool until at least 40 days after you're infected.
How is roundworm diagnosed?
A roundworm infection can be diagnosed by looking at a small stool sample under a microscope. Infection can be confirmed by the presence of eggs or a worm in the sample.
How are roundworms diagnosed in animals?
Diagnosis1Your veterinarian can look at a fecal sample from your puppy or dog on a prepared slide under a microscope and check for the presence of roundworm eggs. A fecal exam such as this will typically be part of a puppy's first vet visit.2If a roundworm infestation is light, the fecal sample may not include any eggs.Roundworms in Dogs: Symptoms, Treatment, and Prevention
How do you diagnose roundworms in humans?
Health care providers can diagnose ascariasis by taking a stool sample and using a microscope to look for the presence of eggs. Some people notice infection when a worm is passed in their stool or is coughed up. If this happens, bring in the worm specimen to your health care provider for diagnosis.
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