Hi doctor, my grandmother was prescribed Montek LC after developing a cough due to pleural effusion following cardiac surgery. She still has a mild cough and has been taking the medicine for the last 3 months. Could long-term use of this medicine cause any side effects, especially on her kidneys?

Montek LC, which combines montelukast and levocetirizine, is generally safe for long-term use, but prolonged use can sometimes cause mild side effects like dry mouth, drowsiness, or dizziness. It is not typically harsh on the kidneys, but it's important to monitor kidney function, especially in older adults, during extended use. Regular follow-ups with her doctor would be helpful.