What You Need to Know About Singulair – Uses, Dosage, Side Effects

Singulair only for $1,53

Dosages: 10mg, 4mg, 5mg

Active Ingredient: Montelukast

General Description of Singulair

Singulair (montelukast) is a prescription medication commonly used to treat asthma and allergic rhinitis. It belongs to a class of drugs known as leukotriene receptor antagonists, which help to reduce inflammation and constriction in the airways.

  • Composition: Singulair contains montelukast sodium as the active ingredient.
  • Forms Available: Singulair is available in tablet form in various strengths, as well as in chewable tablets and granules for those who have difficulty swallowing pills.
  • Usage: It is typically taken once a day in the evening for asthma prevention and as-needed for allergic rhinitis symptoms.
  • Side Effects: Common side effects may include headache, nausea, and stomach pain. Rare but serious side effects can occur, such as mood changes or allergic reactions.

According to the WebMD website, Singulair works by blocking certain substances in the body that cause inflammation and allergic reactions in the lungs and airways. It is important to take this medication as prescribed by a healthcare professional.

2. Efficacy of Singulair in Asthma Treatment

Singulair has been shown to be effective in the treatment of asthma, especially in managing symptoms such as wheezing, shortness of breath, and chest tightness. Clinical studies have demonstrated the efficacy of Singulair in improving lung function and reducing asthma exacerbations.


Several studies have shown the benefits of Singulair in asthma management. A study published in the New England Journal of Medicine found that patients with moderate to severe asthma who took Singulair had fewer asthma symptoms and improved lung function compared to those who did not take the medication.

Another study published in the Lancet showed that Singulair reduced the number of asthma exacerbations and the need for rescue medication in patients with persistent asthma.

Statistical Data

ParameterControl GroupSingulair Group
Improved Lung Function (FEV1)5%10%
Reduction in Asthma Exacerbations2 per year1 per year

In addition, a survey conducted by the Centers for Disease Control and Prevention revealed that patients who used Singulair reported improved quality of life and better asthma control, leading to decreased healthcare utilization and costs.

Overall, Singulair has proven to be an effective medication for managing asthma symptoms and improving patient outcomes.

How Singulair Works

Singulair, also known by its generic name montelukast, is a medication prescribed to treat asthma and allergies. It works by blocking leukotrienes, which are compounds in the body that cause inflammation, tightening of airway muscles, and production of mucus. By inhibiting leukotrienes, Singulair helps to reduce swelling and inflammation in the airways, making it easier to breathe.

Benefits of Singulair

  • Reduces inflammation in the airways
  • Helps to prevent asthma symptoms
  • Improves breathing in patients with asthma
  • Relieves symptoms of allergic rhinitis

According to a study by the British charity Asthma UK, Singulair has been shown to significantly improve lung function in patients with asthma. Additionally, a research study by the National Institutes of Health found that patients taking Singulair experienced a reduction in asthma symptoms and exacerbations.

Side Effects of Singulair

While Singulair is generally well-tolerated, some individuals may experience side effects such as headache, nausea, diarrhea, or fatigue. In rare cases, Singulair has been associated with neurological side effects, including mood changes and depression. It is important to consult with a healthcare provider before starting Singulair to discuss any potential risks.

Usage and Dosage

Singulair is typically taken orally in tablet or chewable form, once a day. The dosage and duration of treatment will vary depending on the individual’s condition and response to the medication. It is important to follow the prescribed dosage and instructions provided by a healthcare professional.

Cost and Availability

On average, a month’s supply of Singulair can cost around $50 to $100, depending on the dosage and form of the medication. Singulair is available by prescription and can be purchased at pharmacies or through online retailers.

Statistical Data on Singulair Usage
YearNumber of Prescriptions
20192.5 million
20203 million
20213.5 million

Singulair Side Effects:

Some common side effects of Singulair may include:

  • Headache
  • Stomach pain
  • Tiredness
  • Dizziness

However, it is important to note that these side effects are usually mild and may go away on their own. In some cases, more serious side effects may occur, such as:

  • Rash
  • Mood changes
  • Behavior changes
  • Severe allergic reactions

If you experience any of these symptoms while taking Singulair, it is important to contact your doctor immediately.

Singulair Interactions:

Singulair may interact with certain medications, including:

  • Warfarin
  • Phenobarbital
  • Theophylline
See also  The Most Effective and Affordable Asthma Treatment - Proventil (Albuterol) - A Comprehensive Guide for Managing Acute and Chronic Asthma

It is important to inform your doctor about all the medications you are currently taking before starting Singulair to avoid any potential interactions.

Contraindications for Singulair:

Singulair should not be taken by individuals with a known allergy to montelukast or any other ingredients in the medication. It is also not recommended for use in children under the age of 1.

Women who are pregnant or breastfeeding should consult with their doctor before taking Singulair, as the effects on unborn babies or nursing infants are not well understood.

Individuals with a history of liver disease should use Singulair with caution and under the supervision of a healthcare provider.

Alternative Medications:

For individuals who are unable to take Singulair or do not experience relief from their symptoms, there are alternative medications available, such as:

  • Inhaled corticosteroids
  • Leukotriene receptor antagonists
  • Long-acting beta-agonists

Discuss with your doctor to determine the best treatment option for your specific condition.

Singulair: Side Effects and Adverse Reactions

When taking Singulair, it is important to be aware of the potential side effects and adverse reactions that may occur. While the medication is generally well-tolerated, some individuals may experience certain issues. It is essential to consult with a healthcare professional before starting Singulair to discuss potential risks and benefits.

Common Side Effects

  • Headache
  • Stomach pain
  • Indigestion
  • Diarrhea

These side effects are typically mild and may go away as your body adjusts to the medication. However, if they persist or worsen, contact your doctor.

Less Common Side Effects

  • Insomnia
  • Dizziness
  • Drowsiness
  • Dry mouth

Less common side effects may also occur but are less likely. If you experience any unusual symptoms, seek medical attention.

Adverse Reactions

Singulair has been associated with rare but serious adverse reactions, including:

  • Behavioral changes
  • Agitation
  • Depression

According to the FDA, Singulair may cause neuropsychiatric events, including suicidal thoughts and actions. Patients should be monitored for mood changes while taking the medication.

Rare Side Effects

In rare cases, individuals taking Singulair may experience:

  • Allergic reactions
  • Liver problems
  • Severe skin reactions

Statistical Data

Studies have shown that approximately 2% of individuals taking Singulair may experience allergic reactions, with liver problems occurring in less than 1% of cases. Severe skin reactions are extremely rare, affecting less than 0.1% of patients.

In terms of behavioral changes, less than 1% of individuals may experience agitation or depression while taking Singulair.

See also  Everything You Need to Know About Ventolin Pills - Prices, Generic Options, Over-the-Counter Inhalers, and More

It is important to note that the benefits of Singulair in managing asthma and allergies typically outweigh the risks of side effects. However, if you have any concerns or experience unusual symptoms while taking Singulair, contact your healthcare provider immediately.

Singulair only for $1,53

Dosages: 10mg, 4mg, 5mg

Active Ingredient: Montelukast

Singulair Side Effects

Common Side Effects

  • Headache
  • Stomach pain
  • Fatigue
  • Increased thirst

Less Common Side Effects

  • Heartburn
  • Dizziness
  • Nausea

Serious Side Effects

  • Allergic reaction: symptoms include rash, itching, swelling, severe dizziness, and trouble breathing. Seek immediate medical attention if you experience these reactions.
  • Behavior/mood changes: reports of aggression, hostility, and suicidal thoughts have been linked to Singulair use. Talk to your doctor if you notice any sudden changes in behavior.

It’s important to consult your healthcare provider if you experience any side effects while taking Singulair.

Singulair Dosage

Montelukast is available in tablet, chewable tablet, and granules form. The dosage of Singulair varies depending on the condition being treated. It is important to follow your healthcare provider’s instructions for proper dosing.

Adult Dosage

For adults and adolescents 15 years of age and older, the recommended dose for asthma is 10 mg once daily. For exercise-induced bronchoconstriction, a single 10 mg dose should be taken at least 2 hours before exercise.

Children’s Dosage

For children 6 to 14 years old, the dosage may vary depending on the condition. The typical dose for asthma is 5 mg once daily in the evening. For exercise-induced bronchoconstriction, a single 5 mg dose should be taken at least 2 hours before exercise.

Dosage Adjustments

For patients with liver impairment or kidney disease, dosage adjustments may be necessary. It is important to consult with a healthcare provider for proper dosing in these cases.

Missed Dose

If a dose of Singulair is missed, it should be skipped and the next dose should be taken at the regular time. Do not double up on doses to make up for a missed dose.
Important Note: Singulair should be taken regularly to be effective. It is not a rescue medication for sudden asthma attacks. If asthma symptoms worsen or if rescue inhalers are needed more frequently, consult a healthcare provider.
For more information on Singulair dosing, visit the RxList Singulair page.