unvaccinated adult dogs receive two rounds of vaccinations about three weeks apart after that dogs usually receive boosters annually the basic shots for distemper hepatitis parvovirus parainfluenza and sometimes leptospirosis and coronavirus usually are administered together in a combination vaccinenvaccinated adult dogs receive two rounds of vaccinations about three weeks apart after that dogs usually receive boosters annually the basic shots for distemper hepatitis parvovirus parainfluenza and sometimes leptospirosis and coronavirus usually are administered together in a combination vaccine
The following medical conditions are some of the possible causes of Hissing in ears. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Acute ear infection.  Chronic ear infection.
Temporomandibular joint abnormalities may cause a repeated clicking sound in the ear. Damage to the vestibulocochlear nerve: Damage to the vestibulocochlear nerve responsible for transmitting sound from the ear to the brain may cause tinnitus. Causes may include drug toxicity or a tumor (for example, acoustic neuroma). Meniere's disease, which is associated with hearing loss and vertigo also may cause tinnitus.