These flu-like symptoms are your bodyâs first reaction to the HIV infection. During this time, thereâs a lot of the virus in your system, so itâs really easy to spread HIV to other people. The symptoms only last for a few weeks, and then you usually donât have symptoms again for years.
These items can remain in the stomach without being passed through the pylorus, causing increasingly severe inflammation of the lining of the stomach, with associated inflamation and physical discomfort. Bacterial and viral infections can also cause chronic gastritis.
Parasites. 1  Intestinal parasites Hookworms* are a common parasite of dogs. 2  Fleas* in dogs cause itching and hair loss. 3  Ticks* are an external parasite of the dog and can spread diseases such as Lyme disease, Rocky Mountain spotted fever, babesiosis, and ehrlichiosis. They can also cause a neurological disorder known as tick paralysis. Heartworm disease in dogs is spread by mosquitoes and is spread by the parasite Dirofilaria immitis.