The Horrific Side Effects of Getting Cortisone Injections
Bruising

All injections, including the flu shot or a simple blood test, run a small risk of bruising for the patient. However, cortisone injections lead to bruising more often than other injected medications or similar procedures due to their pharmacology. Corticosteroids can stimulate blood flow. This can make bruises worse and even lead to subcutaneous bleeding in some patients. Some individuals report bruising more easily after cortisone injections, and not just on the area of their body where they received the injection. Patients should always report any bruising or skin discoloration following cortisone injections to their primary doctor immediately.