Hi, I had been on Coversyl 8mg for a few years with no ill effects. However, after switching to the Coversyl 10 mg, my Liver enzyme results went through the roof. I am not talking a little, I am talking of readings that were elevated of more that 100-200 above what they had been. After investigating to see what was causing it, there was a direct correaltion between when switching to the Coversyl 10mg and the elevation in readings. The reverse happened when I was changed off the Coversyl 10mg. It was discovered I was sensitive to the changed active ingredient 'Arginine'. So much for being told the 10 mg was exactly the same as the 8mg!!!!
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The Coversyl switch