asked

I noticed a small blister on the top of my foot last night, which has grown larger but is not painful. I had cellulitis and lymphangitis last year, and I'm concerned about getting it again. The blister is not itchy, and I walk and run my dog in parks daily, so there's a possibility of exposure to poison ivy or sumac. What could this blister be, and should I be concerned?

January 15th, 2023

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