Symptoms of Hyperthyroidism may occur which include – Heart palpitations , Tachycardia,
Heart attack , chest pain ,
Heart failure , difficulty breathing , Hypertension , Insomnia , anxiety , muscle weakness and a lot of other symptoms . So first of all you need to get the dose of Armour Thyroid adjusted .Please consult an endocrinologist for the same at the earliest because some of these symptoms are serious . .