I rarely suffer from headaches. I've had injections before and I have never suffered from a headache. I had shoulder injection af 11:30 this morning and I have a severe headache. It's 1:44 am and I'm still wide awake with extreme headache. I took ibuprophen at approx 10 pm.
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Headaches after a cortisone injection in the shoulder can be caused by a variety of factors. These include the trauma associated with the injection, the medication itself, a reaction to the numbing medication used prior to the injection, or the increase in blood flow to the area caused by the injection. Some people may also experience headaches due to the sudden drop in cortisol levels that occurs after the injection.
For how long did it last?
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