Giardia is a microscopic parasite that causes an illness called giardiasis. Giardia is one of the main causes of diarrhea in the United States. Infection occurs when the parasites are ingested in contaminated water or fo... More »

People suffering from giardia without experiencing any symptoms do not require treatment unless the parasites spread, notes Mayo Clinic. Many people tend to get better on their own after a few weeks. However, when signs ... More »

www.reference.com Health Conditions & Diseases Gastrointestinal Issues

Giardia is a parasite that can cause giardiasis, an illness that presents itself with symptoms such as diarrhea, gas, poor appetite, dehydration and weight loss, according to MedlinePlus. Giardiasis may also trigger head... More »

www.reference.com Health Pain & Symptoms

Giardia is a parasite that can cause giardiasis, an illness that presents itself with symptoms such as diarrhea, gas, poor appetite, dehydration and weight loss, according to MedlinePlus. Giardiasis may also trigger head... More »

www.reference.com Health Pain & Symptoms

The CDC lists the common symptoms of Giardia in dogs as diarrhea, gas, abdominal discomfort, nausea and vomiting, but it cautions that not all infected dogs display symptoms. Official diagnosis and treatment must be pres... More »

www.reference.com Pets & Animals Pets Veterinary Health

Symptoms of giardiasis include diarrhea, flatulence or gas, upset stomach, dehydration and stomach cramps, according to the Centers for Disease Control. Additionally, the Mayo Clinic lists fatigue, belching with a bad ta... More »

www.reference.com Health Conditions & Diseases Gastrointestinal Issues

A veterinarian can diagnose Giardia in dogs by performing a zinc sulfate fecal flotation test on a dog's feces, according to VCA Animal Hospitals. However, sometimes these parasites can even be seen by analyzing a direct... More »

www.reference.com Pets & Animals Pets Veterinary Health