Anyone that has stinging symptom, can you please please reply

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Can you describe how the stinging symptom is please, I am so scared! It started off as bumble bees stings, the felt like hornet stings, now it's feels like someone slicing and dicing me up, it started to feel this way after I took benadryal 2 mths ago, it's not as severe as it was for those 5 days, but still just as painful, it's like stabbing me with a sharp tool or knife and twisting into me, anyone please if you have stinging please tell me if it is anything like this, or is it just that I have permanent damage now.....