TPP closely mimics familial periodic paralysis(FPP) clinically. If hyperthyroidism has not been previously diagnosed, Patient’s characteristics like age, race, gender, and family history may provide the only clues to a diagnosis of TPP. TPP usually does not have a family history of similar episodic weakness unlike FPP.TPP occurs in slightly older age group (20-40yr) unlike FPP which occurs in adolescent age group.TTP usually has history of hyperthyroidism and sometimes peripheral stigmata like thyromegaly, nodular goitre or signs of graves opthalmopathy. There may be a seasonal prelidiction like occurring at summer months as well as occurrence in early morning following typical triggering factors mentioned above.
