Unicast 5Mg Tablet Contains Montelukast, A Leukotriene Receptor Antagonist (Ltra). It Is Primarily Used For The Treatment And Prevention Of Asthma And For Managing Seasonal And Perennial Allergic Rhinitis (Hay Fever). Montelukast Works By Blocking The Action Of Leukotrienes, Which Are Substances In The Body That Cause Inflammation And Narrowing Of The Airways. This Helps To Reduce Asthma Symptoms, Prevent Asthma Attacks, And Relieve Allergy Symptoms Such As Sneezing, Runny Nose, And Itching. Side Effects: Common Side Effects Of Unicast 5Mg Tablet Include: Headache Dizziness Stomach Pain Diarrhea Cough Rare But Serious Side Effects Include: Mood Or Behavior Changes (Such As Depression Or Agitation) Allergic Reactions, Including Rash, Itching, Or Swelling Difficulty Breathing Or Swallowing If Any Severe Or Unusual Reactions Occur, Discontinue Use And Contact A Healthcare Professional Immediately. Precautions: Allergies: Inform Your Doctor If You Have A Known Allergy To Montelukast Or Any Of The Ingredients In The Tablet. Liver Function: If You Have Liver Disease, Consult Your Doctor Before Using This Medication, As Dosage Adjustments May Be Necessary. Pregnancy And Breastfeeding: Consult A Healthcare Provider If You Are Pregnant Or Breastfeeding To Assess The Safety Of Using Montelukast. Behavioral Changes: Patients Should Monitor For Signs Of Mood Or Behavior Changes, Including Depression, And Inform Their Doctor If Such Symptoms Occur.