Levocetirizine blocks histamine H1 receptors, the switch that produces sneezing, itching, watery eyes and hives during an allergic reaction. It causes less drowsiness than older antihistamines.
Montelukast blocks leukotrienes, inflammatory chemicals that narrow the airways and swell the nasal lining. It is a preventive medicine, not a rescue treatment.
Most side effects are mild and settle as your body adjusts. Tell your doctor if any of them persist or trouble you.
2324 brands with the same salt and strength — same form first, then cheapest. Pack size and form can still differ, and the same salt does not suit every patient. Please confirm with our pharmacist before switching.
Showing the 40 cheapest of 2324 brands.