<s>[INST] I am Female age 36 years, Problem is : Some time I find black spot on the Thai muscle and also fill pain, and also nerve squsing, So what supposed to do ?? I have symptoms of Thiroid. [/INST] Hello R u  hypothyroid? Nerve related problems can occur in hypothyroidism.but do u c black spots?or greenish black bruise like spots which wud indicate bleeding inside.if yes kindly show it to a consultant physician.till then eat foods rich in vitamins or take multivits n calcium tablets which may help Thnx </s>