Hi I thought I got bitten by an insect but my arm swole up so I could not bend it. I had around 20 largish blisters around the area. Is there a weed that may have caused this, there were stinging nettles there that pricked my other arm but that was fine after a few hours.
Cellophane You for contacting Chat Doctor. These symptoms are due to allergic response from the insect bite or weed plant. I would suggest you following