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.
A variety of medical conditions (allergies, viruses, colds and upper respiratory infections) can cause fluid to collect in the Eustachian tube and/or middle ear, leading to congested ears. Ear congestion symptoms may include: muffled hearing, pain, inflammation, discharge, swelling and/or itching. This type of congestion typically resolves itself within 48-72 hours. Most of the time, ear congestion is not uncomfortable, but if you experience constant ear pain and/or discharge, it is important that a medical professional be contacted immediately.