 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] , call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.  Notes Lab and/or medical tests (such as complete blood count, uric acid blood levels) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule.  Storage Not applicable. This medication is given in a hospital or clinic or doctor's office and will not be stored at home.The uses of Metoprolol Tartrate-Hydrochlorothiazide Oral: This medication is used to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This product contains 2 medications, metoprolol and hydrochlorothiazide. Metoprolol belongs to a class of drugs known as beta blockers. It works by keeping certain natural chemicals such as epinephrine from acting on the heart and blood vessels. This </s>