What could cause someone to have flare ups where they get clusters of red dots on their arms, heart palpitations, everything burns including the face and ears and they have nerve and muscle pain?

Nondiagnostic: These multiple symptoms are nondiagnostic but may be due to release of hormones by tumors such as carcinoid,pheochromocytoma or conditions like hyperthyroidism or even anxiety. Your physician would take a detailed history,perform a thorough physical examination and order appropriate tests in order to make a diagnosis. If needed, a referral to a specialist will be made.