20 Signs Your Thyroid Isn't Working Right

6.Heart Palpitations Or Fluctuating Heart Rate

Heart palpitations are a common symptom of hyperthyroidism. This occurs when your heart is beating too fast or too hard. This is often accompanied by a sense of anxiety. Despite a feeling of stress, your heart is working much harder than it has any right to be. It is likely that the walls of your arteries are becoming enlarged and there is a chance that the condition could lead to heart disease.