My husband went to the ER and found out he is in the beginning stage of a thyroid storm. They prescribed Metoprolol Tartrate to keep his blood pressure and heart rate down. He will see his doctor asap, but until then, should he keep taking the Rx? He feels light headed and weak. I'm wondering if it is lowering his bp too much. They told him in the ER that his blood pressure was still in the normal range, but on the high end. So it doesn't seem like he would need medication every day for it. Of course, he was very anxious so it would be a little elevated while he was at the hospital.