Read more. Giardiasis is a devastating illness that starts with digestive symptoms but can spread and can cause hormonal imbalance, fatigue, allergies, skin rashes, swollen lymph glands, leaky gut, muscle pain & arthritis. Giardia infection may also cause an overgrowth of yeast or bacteria in the small intestine, producing symptoms. How is it possible to love the thing that almost ends your life? Three days after the arrival of "Buddy," an adorable Golden Retriever puppy, Tracey Berkowitz's picture perfect life shatters. Almost overnight, she looks horrible, feels horrible and has no idea why. Not My Buddy is a love story between one woman and the dog who restores her spi...