 <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]  last or get worse, notify your doctor or pharmacist promptly. To lower your risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. This product may reduce blood flow to your hands and feet, causing them to feel cold. Smoking may worsen this effect. Dress warmly and avoid tobacco use. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. The hydrochlorothiazide in this product may cause dehydration and electrolyte imbalance. Tell your doctor right away if you have any of these serious symptoms of dehydration: very dry mouth, extreme thirst, muscle cramps/weakness, fast heartbeat, fainting, seizures. Tell your doctor right away if you have any serious side effects, including: very slow/irregular heartbeat, swelling of the ankles/feet, shortness of breath, sudden/unexplained weight gain, loss of feeling/tingling in the fingers/toes, hair loss, decrease in vision, eye pain, mental/mood changes (such as nervousness, confusion), shaking, decreased sexual ability/interest, muscle/joint pain, signs </s>