Definition. A fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body. For an adult, a fever may be uncomfortable, but usually isn't a cause for concern unless it reaches 103 F (39.4 C) or higher.For infants and toddlers, a slightly elevated temperature may indicate a serious infection. fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body.
Cataracts are one of the leading causes of blindness in dogs. By Seattle Times staff. Cataracts are one of the leading causes of blindness in dogs. And like many dogs with cataracts, Bernie has simply adapted, so much so that he is commonly mistaken for a sighted dog.
Dogs with PRA usually develop cataracts that are termed âtoxic cataractsâ, in the mid to late stages of PRA. Cataracts are opacities within the lens, and usually both eyes of dogs with PRA develop cataracts. There are many causes of toxic cataracts, but the most common cause in dogs is PRA. As the retinal tissue slowly dies, it releases toxic by-products of cell death that are absorbed by the lens, causing lens damage and cataract development.