Welcome to Healthcare Magic
CRP indicates inflammatory disease in the body seen in certain autoimmune disorders
like Hashimoto disease which can cause thyroid problem and high CRP, vasculitis
as well. You need to alert your doctor to rule out these conditions as well for proper management. Do you have any other problem besides heaviness of legs, which could be due to oedema swelling. If you have Hypothyroidism
then you need to take the Thyroid medicine mostly lifelong to reduce symptoms.