1 Feline stomatitis is a severe, painful inflammation of a catâs mouth and gums. 2  Dental disease, certain viruses, and some other inflammatory conditions can cause feline stomatitis.  The long-term outcome can vary. Many cats require long-term treatment to control the condition.
Vaccine Adverse Event Reporting System. The Vaccine Adverse Event Reporting System (VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).
Most vaccinations. Local injection site reactions such as swelling, redness and/or pain may occur with up to 80% of vaccine doses, depending on the type of vaccine. Local reactions generally occur within a few hours of the injection, are usually mild and do not require any specific treatment. Normal inflammatory response to a foreign substance.