Whipworms

Whipworms (Trichuris vulpis) Why they matter: A common GI parasite in U.S. dogs and can cause chronic large-bowel diarrhea. How dogs get them: Ingesting eggs from contaminated environments (soil/yards). Eggs can persist in the environment for long periods. Common signs: Intermittent diarrhea (often with mucus/blood), straining, weight loss—or none. Diagnosis: Fecal testing; whipworms can be […]

Hookworms

Hookworms (Ancylostoma spp., Uncinaria stenocephala) Why they matter: Can cause intestinal blood loss, especially in puppies; some species can affect people via skin contact. How dogs get them: Ingesting larvae/eggs from contaminated soil or feces; larvae can also penetrate skin. Common signs: Diarrhea, dark/tarry stool, weakness, pale gums, poor growth (or no signs). Diagnosis: Fecal […]

Roundworms

Roundworms (Toxocara canis) Why they matter: Extremely common in puppies and can be zoonotic. How dogs get them: Often from the mother (before birth or through nursing) or by ingesting eggs from the environment. Common signs: Pot-bellied appearance, poor growth, vomiting/diarrhea, or no signs at all. Diagnosis: Fecal testing (microscopic exam; sometimes antigen testing). Treatment […]