Heart problems. 1  Cardiomyopathy (problem with the heart muscle) 2  Heart arrhythmias (rhythm problems) 3  Heart failure. 4  Pericarditis (swelling of the membrane surrounding the heart)
Cortisone Flare. A cortisone flare is one of the many side effects of a cortisone injection, which causes pain and inflammation in the area where the injection has been administered.Advertisement. Cortisone or a corticosteroids are a type of medication that is used to treat inflammation of the joints.ince it is a very strong medicine, it results in certain side effects, a very prominent one being a cortisone flare. A cortisone injection is administered directly at the location of the pain and inflammation.
5 doctors agreed: Simple measures: To begin with, stop the activity that caused the flare-up. Rest the affected area as much as you can. Ice the area. Use tylenol (acetaminophen) and anti-inflammatory meds for pain relief. With these simple measures and time, most flare-ups will calm down.