Montelukast: Commonly used drug for asthma and allergy treatment

Montelukast is a drug widely used in the treatment of asthma and allergic rhinitis and is a leukotriene receptor antagonist. It mainly blocks the effect of inflammatory mediators leukotrienes, relieves airway inflammation and spasm, and improves respiratory function. content will be centered aroundMechanism of action, indications, medication precautions and common products on the marketExpand to help readers fully understand this drug.

Mechanism of action and indications

Montelukast relieves asthma symptoms by selectively inhibiting leukotriene receptors (CysLT1) and reducing bronchoconstriction and mucus secretion. Mainly used clinicallyPrevention and long-term treatment of asthma in adults and children, and has significant effects on allergic rhinitis (especially seasonal allergies). Its advantage is that it is convenient to take orally and is especially suitable for children who cannot use inhalants regularly. However, it should be noted that it cannot replace emergency medications (such as albuterol) during acute attacks.

Medication precautions

Montelukast is usually taken once nightly, but only as directed by your doctor. Common side effects include headache, abdominal pain, and rarely mental and behavioral abnormalities (such as anxiety, insomnia). Children need to be closely observed when taking medication. During long-term use, the efficacy should be evaluated regularly to avoid sudden discontinuation. Pregnant women, lactating women and those with abnormal liver function should use with caution. In addition, it may interact with certain anti-epileptic drugs, so you should consult your doctor if you take any combination of these drugs.

Common products and manufacturers in the market

The main dosage forms of montelukast include tablets, chewable tablets and granules to meet the needs of patients of different age groups. The following are common manufacturers and products at home and abroad:

Summary and reminder

As a first-line drug for asthma and allergies, montelukast is widely used for its anti-inflammatory effect and convenience, but individual differences and potential side effects should be noted. Patients should follow the doctor's guidance, use medications in a standardized manner, and undergo regular check-ups. There are many domestic and imported products on the market that can meet different needs, so you need to look for formal channels when choosing. Finally, it is emphasized thatThis medicine cannot be used to treat acute attacks, sudden symptoms still need to rely on quick relief drugs.

Quote sources:
1. US FDA drug insert (Singulair)
2. "Chinese Journal of Pediatrics" 2020 Asthma Treatment Guidelines
3. Merck China official website product information
4. National Medical Products Administration (NMPA) approval information