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Q: How often do doctors give cortisone injections to a patient? A: We try to limit the injection to one every three months for any single joint, but also we like to limit it to a total of six injections a year for the whole body. We know that the cortisone can sometimes weaken or suppress the immune system and, in diabetics, it raises blood sugar.
Is it true that cortisone injections only last up to 3 months and you can only have 3 in a lifetime? Hope not Click to expand... Well, if it is true that you can only have 3 in a lifetime, I'm in serious trouble because I must have already had around 20 and I'm soon to have more.Of course it's not true. What is true is that it's best to have at least a 3 month interval between shots..S. Is it true that cortisone injections only last up to 3 months and you can only have 3 in a lifetime? Hope not.