Pertussis vaccine greatly reduced the incidence of adverse effects compared to the earlier "whole-cell" pertussis vaccine, however immunity wanes faster after the acellular vaccine than the whole-cell vaccine. Between 10% and 50% of people given the whole-cell vaccines develop redness, swelling, soreness or tenderness at the injection site and/or fever, less than 1% experience febrile seizures or long periods of crying, and less than 1 out of every 1,000 to 2,000 people vaccinated have a hypotonic-hyporesponsive episode. The same reactions may occur after acellular vaccines, but are less common. Side effects with both types of vaccines, but especially the whole-cell vaccine, are
Lyme disease they finish treatment. These symptoms can last for more than 6 months. This condition is called post-treatment lyme disease syndrome. As of 2016 the reason for the lingering symptoms was not known; the condition is generally managed similarly to fibromyalgia or chronic fatigue syndrome. In dogs, a serious long-term prognosis may result in glomerular disease, which is a category of kidney damage that may cause chronic kidney disease. Dogs may also experience chronic joint disease if the disease is left untreated. However, the majority of cases of Lyme disease in dogs result in a complete recovery with, and sometimes without,