 <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]  professional. The dosage is based on your medical condition and response to treatment. Your doctor will adjust your dose based on your medical condition, response to treatment, and lab tests (such as sodium, potassium, chloride levels). If you use this drug too close to bedtime, you may need to wake up to urinate. It is best to use this medication at least 4 hours before your bedtime. Consult your doctor or pharmacist if you have questions about your dosing schedule. Tell your doctor if you do not get better or if you get worse.The side effects of Ethacrynate Sodium Intravenous: Pain at the injection site, dizziness, lightheadedness, weakness, muscle cramps, upset stomach, or diarrhea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. 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. This drug can cause dehydration and electrolyte imbalance. Tell your doctor right away if you notice any symptoms of dehydration </s>