Levokon-M Tablet is a combination medication containing Levocetirizine 5mg and Montelukast 10mg, formulated for the management of allergic conditions such as allergic rhinitis and chronic urticaria. Levocetirizine, a third-generation non-sedating antihistamine, selectively inhibits peripheral H1 receptors, thereby reducing symptoms like sneezing, nasal congestion, itching, and rhinorrhea by preventing histamine-mediated allergic responses. Montelukast, a leukotriene receptor antagonist, blocks cysteinyl leukotriene receptors (CysLT1), which play a significant role in airway inflammation and bronchoconstriction, thus providing additional relief in allergic rhinitis and asthma by decreasing airway edema and mucus secretion. The synergistic action of these two agents offers comprehensive control over allergic symptoms by targeting multiple inflammatory pathways. Levokon-M is typically prescribed once daily, preferably in the evening, to improve patient compliance and therapeutic outcomes. It is generally well tolerated, with a low incidence of adverse effects such as headache, fatigue, or gastrointestinal discomfort. Caution is advised in patients with hepatic impairment or a history of neuropsychiatric events. Levokon-M Tablet should be used under medical supervision, and patients are advised to report any unusual side effects promptly.