I started Trouble on the Glucasamine/Chondroitin/MSM combo last Sunday. Yesterday she was itchy beyond belief, licking, chewing, scratching, and chewed a big raw spot at the base of her tail and on her butt. I switched her from claritin to benedryl late yesterday and it dawned on me the only change I had made was the supplement.
I got the bottle out and started reading (this time everything). The pills are made with shellfish, and has a warning about pets with shellfish allergies. Well, our little sweetheart cannot eat shrimp. I stopped the supplement last night I'm checking to see if the liquid has the same warning. If it does, it looks like I'm stuck giving her small doses of a prescription drug for the stiffness of aging.