Hello I have been using carnitine for carnitine deficiency after use of pivmecillinam. The blood levels have normalized, but I still have muscle pain, cramps and weakness. The strange thing is that it is only in my left arm and left foot thar I experience this. I am also, during this period, having some attacks with really painful gingivitis, with pain in half my face. I have been observing vesicles, and I wounder if this gingivitis is most likely herpes simplex, or could it be any thing else. Thankful for answer, F