Puppies and kittens: For the treatment of puppies and kittens infected with gastro-intestinal nematodes and puppies infected with protozoa (Giardia spp.
Giardiasis is caused by the protozoan Giardia lamblia which infects the small intestine.
Even water that looks clean and clear can be contaminated with Giardia or other nasties.
This occurs mainly with parasitic infections (such as Giardia) or when people have altered immunity (such as AIDS).
The diarrhea is usually caused by opportunistic infections of the digestive tract; the most common disease agents are Cryptosporidium parvum, Giardia lamblia, Campylobacter, or rotaviruses.