hordeolum
A sty or stye is a painful infection on the eyelid. It is a small red bump that is filled with pus and many times will look a lot like a pimple.
abscess
A sty is a pimple filled with fluid in the upper or lower eyelid. Sty's can hurt up to a month.
Pneumonia
the cavity filled with grains of sand or clay.
An abscess is a type of infection, which is filled with pus and inflamed. Another term for an abscess is a boil.
It probably has some sort of infection. I would immediately call your vet.
It is normally an fluid infection you get after numerous ear infections or an untreated ear infection. 1st step in treatment is antibiotics and if unsuccessful, surgery to drain the infection may be required.
Infection cause increased lymphocyte prodution apex :)
Possibly there is an abcess, which is a pus-filled growth on the gums indicating an infection. When these pop, they leave a bad taste because they are filled with infection. He needs to be seen by a dentist. The condition may lead to more serious problems.
Water is the resulting "fog" as air often contains moisture.
An infection in an injury. You need to take your dog to see a vet.