It might be, since sinus drainage goes into the back of the throat and can be mixed in saliva. But it may also be from many other conditions. If this is persistent, you should contact a health care provider to diagnose and treat it appropriately.
yes
Yes; get such a dog to a vet ASAP.
Yes sinus infection causes nose bleed.
Sinus infection.
The infection. Sounds like a bacterial infection.
Pain associated with sinus infection is usually felt on side of nose, between the eyes and on upper jaws and teeth
the nose spray that you hold up to your nose and spray
YES.BECAUSE THE NOSE HAVE Bacteria
not that i know of, i recommend seeing a doctor for it right away.
Earaches
probably have a sinus infection, get it checked by your doctor
A sore throat may be a sympton of a sinus infection if there is a lot of post nasal drip.
No, smelling vomit is not a symptom of a sinus infection. Some symptoms of a sinus infections include stuffed up nose, sore throat, swollen glands, and headache.