What I've seen with Quick Clot is that they had problems with the initial product, didn't work well, granules caused problems including burns, and was hard to remove at the ER once hardened in the wound.
They took a lot of the end-user feedback to correct the problems with subsequent generations, but I would want to see more end-user feedback on it.
I'm used to just packing the wound with gauze and wrapping with Ace in most cases, and that's from actual experience on a regular basis, to include traumatic amputations, GSWs, etc.
At SOMTB, they pushed the basics of sticks and rags pretty hard, and those techniques worked.
From what I've seen from the comments from ER personnel, they are seeing increased use of Quick Clot on minor injuries that don't require hemostatic agents, making everything more difficult with higher echelon wound management.
I think this is a result of the "push-button" solution default common in our culture, where people think lack of medical training can be compensated for with some new gadget or product.
For those that know what they are doing, it would be good to ensure they have the later generation hemostatic agents that don't suffer from the problems with the originals. From their site:
QuikClot® products have evolved over several years. These kaolin-based gauze products represent the third and latest generation of technology in the QuikClot® family of products for hemostasis. The active ingredient, kaolin, is impregnated onto the nonwoven polyester/rayon gauze for easy and familiar application.
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Quick Clot FAQ