<prompt> If you are a doctor, please answer the medical questions based on the patients description.49 yr old female, 135lbs, history of high bp was stable at 13584... recent sudden severe headache w nausea found bp to be 200110-- been on toprol 50 mg 3 days increased to 100mg 3days bp still averaging 185110- shouldnt i see improvement in bp on these meds by now?  <response>: According to JACK blood pressure is categorized as-Normal b.p less than 12080Prehypertensive state - 120-13980-89Grade 1 mild hypertension-140-15990-99Grade 2 moderate hypertension-160-179100-109Grade 3severe - above 180110You fall in category of severe hypertension medically its called hypertensive emergency, medicine will be administered to you intravenously, once BP is settled you will be shifted to oral medicine, to prevent end organ damage immediate intravenous IV parenteral therapy is required, consult ER. 