 <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]  use a mouthpiece rather than a face mask with the nebulizer or that you close your eyes during use. Each treatment usually takes about 5 to 15 minutes. Use this medication only through a nebulizer. Do not swallow or inject the solution. To prevent infections, clean the nebulizer and mouthpiece/face mask according to the manufacturer's directions. The US brand does not require any mixing before use. The Canadian brand can be used unmixed or if directed, may be mixed with sterile saline just before use. Once a vial is opened, throw away any unused solution. The dosage is based on your medical condition and response to treatment. Do not increase your dose or use this drug more often than prescribed without your doctor's approval. Using too much of this medication will increase your risk of serious (possibly fatal) side effects. Rinse your mouth after treatment to prevent dry mouth and throat irritation. Use this medication regularly to get the most benefit from it. This medication works best if used at evenly spaced intervals. To help you remember, use it at the same times each day. Learn which of your inhalers/medications you should use every day and which you should use if your breathing suddenly worsens (quick-relief drugs). Ask your doctor </s>