Long-term use of Montas L tablets requires guidance from a healthcare professional, who should discuss the duration of treatment and potential side effects। Know everything about Montas - L Tablet including its uses , benefits, dosage , and side effects. Compare prices and find affordable substitutes online at Zeelab Pharmacy. Buy Montas L Tablet 15 online at Truemeds with free delivery. Montas L Tablet 15 is used to treat the symptoms of allergy such as runny nose, sneezing, itching, swelling, congestion, and watery eyes. View Montas L Tablet 15 uses , side-effects, & Substitutes. Montas- L Tablet is a combination medicine that contains levocetirizine and montelukast. It is a very effective and potent medication mostly used to treat year-round allergic symptoms like runny nose, watery eyes, sneezing, itching, hives, etc. This is a widely used combination medicine in providing relief from blocked nose. Montas- L Tablet stops the activity of the chemical substance that causes allergic symptoms. You may experience side effects like drowsiness, fever, rash, weakness, etc ...