1. Go to a weed (pot) store and buy a small thing of pain killer rub containing real cannabis, not hemp. Strong possibility to lower itch or pain. or 2. Get a bottle of sore throat spray, whatever flavor floats your boat. It contains a novacaine type drug. Weak possibility to help. or 3. Get a lidocaiane based numbing spray. Many types but get the one with highest percentage. Strong possibility to just plain numb the shit out of surface skin. https://www.walgreens.com/store/c/aspercreme-lidocaine-pain-relief-dry-spray-odor-free/ID=prod6403262-product or 4. Pour a shot of any whiskey, drink it. Pour another half shot of same, and use it for dabbing on the rash. No need to repeat the first part.
*** On a serious note, make sure to show the doc or see that he notes your swelling. It starting to sound like shingles.
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