 <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]  as cystic fibrosis, eating disorders, urinary retention), the urge to drink too much water without being thirsty, a certain brain disorder (syndrome of inappropriate antidiuretic hormone secretion), a certain adrenal gland problem (Addison's disease), bleeding/clotting problems. If you become dehydrated, your doctor will correct that condition first before starting treatment with desmopressin. Limit alcohol because it can interfere with how well desmopressin works. Tell the doctor right away if you develop any illness that can cause water/mineral imbalance (including fever, diarrhea, vomiting, infections such as flu) or if you have conditions that require drinking more fluids (for example, exposure to very hot weather, strenuous exercise). The doctor may need to stop or adjust desmopressin treatment. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Children may be more sensitive to the side effects of this drug, especially water/mineral imbalance and a low level of sodium in the blood. Older adults may be at greater risk for water/mineral imbalance and a low level of sodium in the blood while using this drug. During pregnancy, this medication should </s>