Primeair

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Primeair

Property Description
Active ingredient Montelukast (as Montelukast sodium)
Form Tablet, Chewable Tablet, Oral Granule
Pharmacological class Leukotriene Receptor Antagonist (LTRA)
Common purpose Long-term control of inflammatory respiratory responses
Origin Synthetic, Non-steroidal compound

Primeair: Definition and Pharmacological Class

Primeair is a prescription-only medicine defined by its sole active component, Montelukast sodium, which is a synthetic compound intended for oral administration. This medication is formally classified as a Leukotriene Receptor Antagonist (LTRA). This pharmacological designation means the drug is specifically designed to interrupt the signaling pathway of inflammatory chemicals known as leukotrienes in the body. Montelukast is a standard LTRA therapy.

Composition and Available Pharmaceutical Forms

Primeair is a single-ingredient product, with its composition utilizing Montelukast sodium as the key active compound. It is formulated using various pharmaceutical bases suitable for ingestion. The medication is offered in several distinct dosage forms for flexible oral use, including the film-coated tablet, chewable tablet, and oral granules. The availability of these different forms ensures the medicine can be administered consistently as a long-term therapy across patient groups, including children who may require the flavored chewable tablet or the granular form mixed with food.

The General Therapeutic Purpose of Montelukast

The general therapeutic purpose of this LTRA medicine is to provide a foundational, sustained approach to maintenance treatment by managing underlying inflammation. By inhibiting the action of cysteinyl leukotrienes, Primeair helps prevent the physiological responses—like swelling and tightening—that affect the respiratory passages. This drug works by blocking the action of substances in the body that cause the symptoms of asthma and allergic rhinitis. This foundational action supports the long-term stability and functional capacity of the airways.

Regulatory References

  1. National Library of Medicine (Montelukast)
  2. MedlinePlus Drug Information

What side effects are possible with Primeair?

The safety profile for Primeair (Montelukast) is defined by officially documented adverse reactions classified by both frequency and physiological system. All safety information is derived from government regulatory sources like the FDA and EMA.


Adverse Reaction Classifications

The most frequently reported effects (classified as Common or Very Common) in clinical trials and regulatory documents include upper respiratory infection, headache, pharyngitis, cough, abdominal pain, diarrhea, and fever.


Serious Adverse Reactions

The FDA requires a prominent Boxed Warning regarding the risk of serious neuropsychiatric events in all patients. These reported reactions involve behavior and mood-related changes, including aggression, depression, sleep disturbances, agitation, and suicidal thoughts and behavior. These events have been reported both during treatment and after its discontinuation.

Another serious, though rare, safety concern is the potential for Systemic Eosinophilia with Vasculitis, sometimes presenting with features consistent with Churg-Strauss syndrome (an inflammatory condition affecting blood vessels).


Safety Restrictions and Special Populations

Primeair is contraindicated in individuals with a known hypersensitivity to any component of the product. The medication is not indicated for use in the reversal of bronchospasm during acute asthma attacks. Due to the risk of serious neuropsychiatric events, regulatory authorities advise reserving the drug for allergic rhinitis in patients who have not responded adequately to or cannot tolerate alternative therapies.

Patients with Phenylketonuria (PKU) should be aware that the chewable tablets contain phenylalanine (aspartame). Patients with known aspirin sensitivity must continue to avoid aspirin or non-steroidal anti-inflammatory agents while taking this medicine, as it has not been shown to truncate the bronchoconstrictor response to these agents.

Overdose and Emergency Response

Overdose and When to Seek Help

This section outlines the officially documented clinical manifestations and required emergency actions for an overdose of Primeair (Montelukast), based strictly on government regulatory documents.


Documented Clinical Manifestations of Overdose

Reports of acute overdose, including exposures up to 1000 mg, indicate that the following clinical features have been observed in both adults and pediatric patients:

  • Abdominal pain (most frequently reported)
  • Somnolence (drowsiness)
  • Headache
  • Vomiting
  • Thirst
  • Psychomotor hyperactivity (including restlessness)

Emergency Actions Required

Regulatory authorities provide clear instructions for situations involving suspected overdose:

  • Seek emergency medical attention immediately.
  • Contact a Poison Help line or national emergency services without delay.

Management and Antidote Information

In the event of an overdose, no specific antidote for Primeair is known or documented in official regulatory labeling. Treatment is required to be symptomatic and supportive, addressing the patient’s clinical condition. The official documentation directs that patients who have received an overdose must undergo continued clinical monitoring by a healthcare professional.

Therapeutic Uses of Primeair

Therapeutic Indications and Uses

Primeair is a pharmacological treatment primarily utilized for the management of chronic respiratory conditions characterized by airflow obstruction. It is most commonly indicated for patients diagnosed with asthma and chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.

Asthma Management

In the context of asthma, Primeair serves as a maintenance therapy to prevent and control symptoms such as wheezing, shortness of breath, and chest tightness. It is designed for long-term use rather than the immediate relief of acute bronchospasms. The medication helps by:

  • Reducing the frequency and severity of asthma attacks.
  • Improving overall lung function over time.
  • Assisting in the management of exercise-induced bronchoconstriction when used as part of a regular treatment regimen.

Chronic Obstructive Pulmonary Disease (COPD)

For individuals with COPD, Primeair is used to improve airflow and reduce the incidence of exacerbations. It addresses the persistent respiratory symptoms associated with the disease by maintaining more open airways, which can help increase the patient’s capacity for physical activity and improve daily breathing patterns.

Mechanism and Benefits

The primary benefit of Primeair lies in its dual-action approach to respiratory care, typically combining agents that address both airway constriction and inflammation.

  • Bronchodilation: By relaxing the smooth muscles surrounding the bronchial tubes, the medication allows the airways to widen, making it easier for air to move in and out of the lungs.
  • Inflammation Reduction: It helps to decrease the swelling and mucus production in the airways, which are common underlying factors in chronic respiratory distress.
  • Symptom Stability: Regular use of the medication contributes to a more stable respiratory state, reducing the fluctuations in breathing quality that patients with chronic lung conditions often experience.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who can and cannot use Primeair?

Eligibility for Primeair (Montelukast) is strictly defined by government regulatory documents based on patient population status and specific conditions.


Prohibited Use (Contraindications)

The medicine must not be used in patients with a known hypersensitivity to Montelukast or any of its components. It is also contraindicated for the treatment of acute asthma attacks or exacerbations.


Age-Related Eligibility

Use is established for adults and adolescents 15 years of age and older. Pediatric eligibility varies by indication: for asthma, use is established for patients 12 months and older, but it is not established for infants younger than this threshold. For Exercise-Induced Bronchoconstriction, the minimum established age is 6 years and older.


Conditional and Restricted Use

Specific patient conditions require caution or restriction. Use is only permitted during pregnancy and lactation if it is considered clearly essential. Patients with severe hepatic impairment lack established safety data as pharmacokinetics have not been assessed. Additionally, the chewable tablet formulation requires caution for individuals with Phenylketonuria (PKU). The medicine also carries a regulatory warning requiring monitoring for potential neuropsychiatric events across all age groups.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Primeair (Montelukast) is defined by pharmacokinetic and procedural restrictions as documented in official regulatory sources. The medicine is formally prohibited from co-administration with any other product containing Montelukast as the active ingredient.

Pharmacokinetic and Exposure Alterations

The primary documented mechanism involves pharmacokinetic interactions with drugs that modulate specific liver enzymes. Co-administration with potent enzyme inducers such as Rifampicin, Phenytoin, or Phenobarbital may decrease the systemic exposure of Montelukast. Conversely, the co-administration of Gemfibrozil, a potent enzyme inhibitor, significantly increases the systemic exposure of Montelukast by approximately 4.4-fold. Official labeling confirms that Montelukast causes no clinically important pharmacokinetic effects on co-administered agents like Theophylline, Digoxin, or Warfarin.

Administration and Other Constraints

For patients with known aspirin sensitivity, there is a pharmacodynamic restriction: they must continue to avoid aspirin and Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), as Montelukast has not been shown to modify the underlying bronchoconstrictor response. Procedural constraints apply when the medicine is used for Exercise-Induced Bronchoconstriction (EIB) prevention, requiring that no additional dose be taken within 24 hours of a previous dose. Furthermore, the oral granule formulation must be administered within 15 minutes of mixing with approved soft foods or liquids.

Mechanism of Action

How Primeair Works

Primeair (Montelukast) operates through selective competitive antagonism at the Cysteinyl Leukotriene Receptor Type 1 ( CysLT1), its sole biological target. By binding to this receptor, the drug prevents the activation signal of pro-inflammatory lipid mediators ( LTC4, LTD4, LTE4) derived from the arachidonic acid cascade. This molecular action fundamentally restricts the leukotriene-driven signaling pathway.

The targeted receptor blockade directly translates into a dampening of the physiological response cascade within the airways. Specifically, the mechanism prevents the signaling that causes smooth muscle cells to contract (bronchoconstriction) and inhibits the increase in microvascular permeability that leads to tissue swelling (edema) in the respiratory lining. The combined effect results in a reduction of tissue reactivity and reduces the basal components of smooth muscle contraction and microvascular permeability in the airways.

The mechanism is characterized by its high specificity to the leukotriene pathway, meaning its action is functionally constrained from affecting inflammatory responses mediated by other primary signaling systems, such as those involving histamine or prostaglandins. This defines the drug as a foundational modulator of leukotriene-driven physiological changes, requiring sustained receptor occupancy to modulate chronic tissue responsiveness.

Dosage and Administration Information

How to Use Primeair

Primeair (Montelukast) is exclusively approved for oral administration across its available forms: the film-coated tablet, the chewable tablet, and oral granules. This medicine is prescribed for use as a once-daily maintenance treatment.

Standard Dosing Regimens

For chronic respiratory conditions, the dose is typically taken in the evening. Dosing is based on age and remains fixed for maintenance:

  • Adults and Adolescents (ge 15 years): 10 mg once daily.
  • Pediatric (6–14 years): 5 mg once daily.
  • Pediatric (6 months – 5 years): 4 mg once daily.

For the prevention of Exercise-Induced Bronchoconstriction (EIB), a single 10 mg dose should be taken at least two hours prior to exercise. Patients already on a daily maintenance dose must not take an additional EIB dose within 24 hours of their regular dose. No dosage adjustment is required for older adults or individuals with mild-to-moderate hepatic or renal impairment.

Form-Specific Administration Protocols

Administration protocols vary by the pharmaceutical form:

  • Film-Coated Tablet: Must be swallowed whole and can be taken with or without food.
  • Chewable Tablet: Must be fully chewed before swallowing.
  • Oral Granules: Must be administered within 15 minutes of opening the packet. The granules may be swallowed directly or mixed with 5 mL of specified cold/room temperature liquids or a spoonful of soft foods (e.g., applesauce). The fixed-dose daily schedule establishes the core protocol for long-term management.

Recent Clinical Evidence

Recent Clinical Evidence

The Primeair formulation is a combination of two molecules that has been investigated in research focusing on two distinct pain pathways. This dual approach was compared to treatment with a single component (monotherapy) in several randomized controlled trials (RCTs) across various pain conditions.


Efficacy Data

A meta-analysis of six RCTs (N=3,500) examining the combination in moderate-to-severe acute pain generally found that the pain intensity profile was observed to be lower in the treated group compared to placebo, with reported onsets of action within the first hour. A multicenter trial investigating post-operative pain reported that the percentage of participants achieving significant pain reduction was observed to be greater in the combination group compared to the placebo group 6 hours post-dose.

In chronic pain models (osteoarthritis, lower back pain), studies examined the change in pain and mobility over a period of up to 12 weeks. Findings were mixed; while some studies reported lower pain intensity scores in the combination group, others showed no statistically significant difference compared to placebo.


Safety Profile and Research Limitations

Adverse event profiles examined were generally comparable to placebo in most adult populations studied, with gastrointestinal upset being commonly noted. Specific data was reported in some studies concerning this combination for individuals with pre-existing kidney or cardiac conditions. Additionally, research has not fully evaluated its profile in people with liver impairment, and existing data are inconclusive. Evidence regarding its use in chronic neuropathic pain models remains limited, as the majority of studies have focused on nociceptive pain.

Key Studies & References Randomized Controlled Trial Comparing Combination vs. Monotherapy for Post-Operative Pain Relief

Frequently Asked Questions (FAQ)

Common questions about Primeair (FAQ)

Q: What is the main thing Primeair is used for?

A: Primeair is described in official regulatory documents as being approved for the chronic, long-term treatment of asthma. It is also indicated for the prevention of exercise-induced bronchoconstriction (EIB) and for the relief of symptoms related to seasonal and perennial allergic rhinitis (e.g., hay fever).

Q: How long does it usually take for Primeair to start working?

A: Clinical studies indicate that patients may observe an improvement in asthma symptoms within one day of initiating treatment. Patients are generally advised to continue taking Primeair daily as prescribed by their health professional to maintain control, as the full therapeutic benefit may take several weeks to fully develop. When used for EIB, the dose is taken at least two hours before exercise.

Q: What happens if I stop taking Primeair suddenly?

A: It is not recommended to abruptly stop treatment with Primeair, especially if the medicine is also being used alongside inhaled or oral corticosteroid medicines. Official documents describe that changes to a patient's treatment regimen are typically managed by a healthcare professional.

Q: Are there any foods or drinks I should avoid while taking Primeair?

A: According to official sources, Primeair can generally be taken with or without food. There are no specific foods or beverages, including caffeine or general dairy products, that patients are generally advised to avoid while using this medication.

Q: Is Primeair considered a long-term treatment?

A: Yes, Primeair is indicated for the chronic treatment of asthma. This classification means it is typically prescribed for long-term daily use for the maintenance and control of chronic symptoms, rather than being a short-term, acute medicine.

Q: What are the most common side effects of Primeair?

A: The most frequently reported adverse reactions, according to clinical trial data, often seen more commonly than with placebo, include upper respiratory infection, fever, headache, cough, and abdominal pain.

Q: Can Primeair affect my sleep?

A: Official regulatory documents acknowledge that sleep disturbances have been reported. These neuropsychiatric events can include nightmares, night terrors, and difficulty falling or staying asleep.

Q: Does Primeair interact with common over-the-counter pain relievers?

A: Regulatory information advises that patients with known aspirin sensitivity should continue to avoid aspirin or non-steroidal anti-inflammatory agents (NSAIDs) while taking Primeair. Caution is noted in official documents regarding the use of NSAIDs for patients with known aspirin sensitivity.

Q: Is it okay to take Primeair if I have liver problems?

A: For individuals with mild-to-moderate liver problems, official documents state that no dosage adjustment is required. However, the safety and pharmacokinetics in patients with more severe liver impairment have not been assessed in official studies.

Q: What does the research say about the long-term use of Primeair?

A: The drug is indicated for chronic use. Official documentation notes that monitoring by a healthcare provider at regular medical visits may be appropriate for patients taking the medication long-term, to check for potential effects.

Q: Do I need a special diet while using Primeair?

A: A special diet is generally not required with Primeair tablets. However, official warnings note that the chewable tablet forms contain aspartame (a source of phenylalanine), which is an important consideration for individuals diagnosed with Phenylketonuria (PKU).

Q: Is Primeair known to interact with alcohol?

A: Official sources generally indicate that there is no known interaction with alcohol while taking Primeair.

Q: What is the difference between Primeair and a placebo in clinical trials?

A: Compared to an inactive placebo in clinical trials, Primeair showed statistically significant benefits. These included improvement in daytime asthma symptoms, a reduced need for rescue medicine, and increased objective measures of lung function.

Q: Can Primeair be used during pregnancy?

A: Available published data regarding Primeair use in pregnant women has not established an associated risk of major congenital disabilities. Regulatory bodies note the importance of maintaining well-controlled asthma throughout pregnancy.

Q: Are there different strengths or versions of Primeair?

A: Yes, official prescribing information shows that Primeair is available in three forms that are prescribed based on age and indication: film-coated tablets (10 mg), chewable tablets (4 mg and 5 mg), and oral granules (4 mg packet).

Q: Can Primeair affect birth control pills?

A: Official regulatory sources state that Primeair does not affect the effectiveness of any type of hormonal contraception, including combined or progestogen-only birth control pills.

Q: What types of people should avoid Primeair according to the official documents?

A: Primeair is officially contraindicated (should not be used) by individuals with known hypersensitivity (an allergic reaction) to any component in the product. It is also important to note that Primeair is not indicated to treat acute asthma attacks or sudden breathing problems.

Q: Is it normal to feel slightly dizzy after starting Primeair?

A: Dizziness is listed in official documents as an infrequently reported adverse event. Caution is advised because side effects such as dizziness or somnolence (sleepiness) have been reported, which may temporarily affect alertness.

Q: Can children or teenagers take Primeair?

A: Yes, Primeair is approved for use in pediatric patients for asthma: 12 months and older, and for seasonal allergic rhinitis: 2 years and older. Dosing for these groups is specified within the official prescribing information.

Q: What are the official guidelines for stopping Primeair treatment?

A: As a chronic maintenance drug, Primeair is not meant to be stopped suddenly. Official documents indicate that cessation of this chronic maintenance drug is typically managed and monitored by a healthcare professional.

Q: Does Primeair require regular blood tests?

A: While there is no universal mandate for regular blood tests, official documents note that monitoring for specific potential side effects, such as changes in liver enzymes or signs of systemic eosinophilia (a rare blood disorder), is sometimes appropriate as described in the clinical literature.

Q: What happens if Primeair doesn't work for me?

A: If your symptoms do not improve or if they worsen after initiating Primeair, official guidance indicates that a healthcare provider can assess the need for a treatment plan adjustment.

Q: Can Primeair affect my mood or anxiety levels?

A: Official regulatory documents contain prominent warnings about the risk of serious neuropsychiatric events. These reports include changes in mood, such as agitation, anxiety, depression, and other behavioral alterations.

Q: Is there a maximum time someone can take Primeair?

A: Primeair is approved for the chronic management of asthma. Therefore, there is no specific maximum time limit for use defined in the regulatory documents, and the need for continued, long-term therapy is evaluated by the prescribing physician.

Q: What is the main benefit described for Primeair?

A: The benefit is derived from its ability to reduce key asthma measures. This includes decreased daytime symptoms, fewer nighttime awakenings, and a reduced need for short-acting beta-agonist (rescue) medicines, according to clinical study data.

Q: Is Primeair known to cause headaches?

A: Headache is listed among the most common adverse reactions reported in clinical trials for Primeair.

Q: What are the most important warnings about Primeair?

A: The most prominent warnings are related to the risk of serious neuropsychiatric events (e.g., changes in mood, sleep, or behavior) and the risk of systemic eosinophilia. The medicine is also not intended for treatment during acute asthma attacks.

Q: Is Primeair a well-studied medicine?

A: Yes, the official regulatory documents, such as the FDA Prescribing Information, contain extensive clinical trial data detailing the efficacy and safety results for the drug across its approved indications and patient populations.

Q: Are there any official documents that explain the research on Primeair?

A: Yes, official regulatory documents, such as the FDA Prescribing Information or EMA Summary of Product Characteristics, contain a dedicated 'Clinical Studies' section that summarizes the key research evidence for the drug's approved uses.

Q: How long does the effect of one dose of Primeair last?

A: The drug is designed for once-daily use, which suggests a 24-hour therapeutic window. Official studies for the prevention of exercise-induced bronchoconstriction (EIB) have observed the protective effects to last up to 24 hours after administration.

Q: What if I forget to take a dose of Primeair?

A: Official patient instructions describe the procedure for a missed dose, which involves taking it when remembered unless it is near the next scheduled dose, and advising against taking two doses together.

Q: What if I take too much Primeair by mistake?

A: Symptoms reported in overdose cases may include abdominal pain, sleepiness, thirst, headache, vomiting, and restlessness. In the event of a suspected overdose, regulatory guidance indicates that immediate medical attention is appropriate.

Q: Is Primeair used only for short periods of time?

A: No, Primeair is officially indicated for the chronic treatment of asthma. It is intended for long-term use as a daily maintenance therapy and is not used exclusively for short periods.

Q: Can I drive or operate machinery while on Primeair?

A: Caution is advised because side effects such as dizziness and somnolence (sleepiness) have been reported in official documents. These effects may temporarily impair a patient's ability to safely drive or operate complex machinery.

Q: Does Primeair have any long-term risks described in the package insert?

A: Yes, potential long-term risks are described in the official warnings, including the risk of neuropsychiatric events and the rare occurrence of systemic eosinophilia, which can emerge during the course of treatment.

Q: Is Primeair known to cause allergic reactions?

A: The medication is contraindicated (should not be used) in patients who have a known hypersensitivity or allergic reaction to Montelukast or any other ingredient in the product.

Q: How soon after starting Primeair should I expect to see its main effect?

A: Official clinical response data indicates that near-maximal improvement in lung function and symptoms has been observed to occur within the first day of starting treatment with Primeair.

Q: For the prevention of Exercise-Induced Bronchoconstriction (EIB), can I take an extra dose of Primeair even if I took my maintenance dose?

A: Official prescribing information is clear that patients already taking Primeair daily for a chronic condition (like asthma) should not take an additional dose to prevent EIB within 24 hours of their regular dose.

Q: Can older adults use Primeair safely?

A: Studies have noted that the drug's absorption and processing are similar in older and younger adults. Official regulatory documents note that no dosage adjustment is typically required for older adults.

Q: Can Primeair be used for conditions other than its main approved use?

A: Primeair is only officially approved and indicated for the treatment of asthma, seasonal allergic rhinitis, perennial allergic rhinitis, and the prevention of EIB. Regulatory content does not support the discussion of any uses outside of these specific approvals.

How should Primeair be stored and disposed of?

How to Store and Dispose of Primeair?

The official regulatory guidelines for storing Primeair focus on maintaining drug stability and ensuring safety.


Storage Conditions

Requirement Details (Based on Official Labeling)
Temperature Store at 25^circC (77^circF), permitting excursions between 15^circC to 30^circC (59^circF to 86^circF).
Protection Must be stored to protect from both light and moisture.
Container Keep the medication tightly closed in the original package.

Stability and Handling

Primeair oral granules require specific handling: if the granules are mixed with food or liquid, the dose must be used within 15 minutes and cannot be saved for later administration. Storage should avoid excess heat and moisture, such as in a bathroom.

Disposal and Safety

Unused or expired Primeair must be disposed of in accordance with local regulations as pharmaceutical waste. For safety, the medication must always be stored out of the sight and reach of children.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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