Speaking of Cox 2 inhibitor, I found an herbal called Pain RX and here is the company link and if you search in products for Pain RX, it's a good explanation of this product. I find it helps and take it in between ibuprofen...of course I'd love not to take these but I could not function otherwise. I found Pain RX about 3 yrs ago as I found myself dealing with more pain after hip job.
www.hitechpharma.com/
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I remember the Vioxx issue and at the time I was taking care of a little child and his father was trying it out....it was gone off the market pretty quickly as I recall. I thought about Celebrex but "feared" it and it was so expensive I could not afford it anyway....good thing I suppose.
Back in the 80's I ended up in the ER with a stomach ulcer from an old class anti inflammatory drug....that was the beginning of my lessons. This old drug had my back feeling goooooood, but gave me an ulcer.