What medication is classified as a leukotriene receptor antagonist?

Montelukast is classified as a leukotriene receptor antagonist, specifically designed to manage conditions such as asthma and allergic rhinitis. By blocking leukotriene receptors, montelukast effectively reduces inflammation and bronchoconstriction associated with these conditions. Leukotrienes are inflammatory mediators that play a significant role in the pathophysiology of asthma, and by antagonizing their receptors, montelukast helps to alleviate symptoms and improve respiratory function.

The other medications listed serve different purposes. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used for pain relief and inflammation. Atorvastatin is a statin medication primarily used to manage cholesterol levels and reduce cardiovascular risk. Amoxicillin is an antibiotic used to treat bacterial infections. Each of these medications works through distinct mechanisms that do not involve leukotriene receptor antagonism.