Hi, I've had glabellar Botox 3 times, ~8 months apart. The last time was on 21-July and 3 weeks later, on 10-Aug, I developed hives. I had a skin prick test, only showed a mild reaction to dust mites, and was diagnosed with chronic idiopathic urticaria. I did not have mastocytosis. I had forgotten about the Botox and didn't mention it to the allergist. Is it possible that a component of the Botox caused the reaction? Would it be safe to get again? The hives lasted 3 months. Thanks.
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