Yeah I considered it. My brother has the same problem. I found as long as I have Benedryl I'm okay. But now I had to go with Claritin as my Neurologist (I have seizures) told me to stay off of Benedryl because of how it affects the CNS. I found that the prescription antihistimine Vistril worked good too.
It was just the heaviest dose ever with that Sonic lettuce, it was sprayed real heavy. They pre-cut and sprayed it with MSG, then packaged it and distributed it to the stores. I felt my heart start to race and hands start to tingle, so I popped two Benedryl and headed towards my Lazyboy. Halfway across my livingroom "Bang!" a big white flash went in my eyes and I hit the floor, semi- conscious. It takes about 20 minutes to get over: Hives, tongue itching, throat itching, all skin surfaces itching, heart racing, lungs swelling up inside causing shortness of breath. It rarely happens to me now, I just can't be careful enough.
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Me, a vegetarian? My set of teeth came with canines.