(S)-Montelukast Sodium

(S)-Montelukast Sodium is a medication used for the treatment of asthma and allergic rhinitis. It belongs to the class of leukotriene receptor antagonists, which work by blocking the action of leukotrienes, which are inflammatory molecules produced by the body in response to allergens. By blocking the action of leukotrienes, (S)-Montelukast Sodium helps to reduce inflammation and swelling in the airways, making it easier to breathe. Chemically, (S)-Montelukast Sodium is the sodium salt of the active enantiomer of Montelukast, a drug that is sold under the brand name Singulair. It is a white to off-white powder that is soluble in water and ethanol. The chemical formula of (S)-Montelukast Sodium is C35H34ClNNaO3S, and its molecular weight is 608.18 g/mol. The recommended dose of (S)-Montelukast Sodium varies depending on the age and condition of the patient. It is typically taken orally, once daily, either with or without food. The medication is typically well-tolerated, with common side effects including headache, abdominal pain, and nausea. In rare cases, more serious side effects such as allergic reactions, neuropsychiatric events, and liver problems may occur. Overall, (S)-Montelukast Sodium is an effective medication for the treatment of asthma and allergic rhinitis. Its chemical properties and mechanism of action make it an important tool for managing these conditions and improving the quality of life for those who suffer from them.