Long-term Use Considerations:

• Montelukast and Fexofenadine can be used long-term for allergy management, but regular medical supervision is advised.
• Common side effects include drowsiness, headache, and nausea; uncommon effects may include mood changes or heart rate issues.

Recommendations:

• Consult your doctor to evaluate the benefits and monitor for any adverse effects.
• Report any persistent or severe side effects immediately.

Precautions:

• Inform your doctor if you have any pre-existing conditions like liver, kidney, or heart issues.
• Maintain a 2-hour gap between this medication and antacids containing magnesium or aluminum.