What muscle or metabolic disease causes muscle burning but no weakness ? very bad muscle burning in the biceps thighs and calves?

Muscle burning: Muscle burning pain may be muscle in origin or nerve in origin. If bilateral in biceps, thighs, and calves you would expect more of a systemic cause such as lactate build up after vigorous exercise; thyroid disease; inflammatory condition of the muscles, which can be infectious, autoimmune, or metabolic. Sometimes it can also be induced by new medications.