Mountelo-L Tablet is a combination medicine used to treat allergic symptoms like runny nose, stuffy nose, sneezing, itching, swelling, watery eyes, and congestion. It reduces airway inflammation and improves breathing. The dosage depends on the patient's condition and response. It should be continued as recommended by the doctor. Common side effects include nausea, diarrhea, vomiting, dry mouth, headache, skin rash, flu-like symptoms, and fatigue. It may cause dizziness and sleepiness, so avoid driving or mental focus. It's important to inform your doctor if you have kidney disease.