Singulair generic online retailers: 2026 edition

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Montelukast, sold under the brand name Singulair among others, belongs to a class of drugs called leukotriene receptor antagonists. It is prescribed mainly for ongoing control of asthma and for managing some allergic symptoms by reducing airway inflammation and bronchospasm associated with leukotrienes.

Note: Montelukast is intended for maintenance therapy and is not suitable for immediate relief of an acute asthma attack. Keep your fast-acting inhaler available and follow your personal asthma action plan. See details related to administration in the manual. How to Weather It and for safety constant monitoring, inspect Tracking and Safety Protocols.

• Montelukast is the active ingredient
• Key applications: long-term asthma control, prevention of exercise-induced bronchoconstriction, and certain allergy symptoms
• Common dosage forms: 10 mg tablet, 5 mg chewable tablet, 4 mg chewable tablet or granules

Indicators of status

Clinicians may prescribe montelukast for:

• Maintenance treatment of asthma in patients for whom leukotriene pathway modulation is appropriate
• Prevention of bronchospasm triggered by exercise in susceptible individuals
• Relief of symptoms due to seasonal or perennial allergic rhinitis in selected patients

Because of a boxed warning about neuropsychiatric effects, montelukast should be used for allergic rhinitis primarily when other standard treatments are unsuitable or ineffective. For the regulatory context, see USA Safety and Attorneys' Notes.

Types and Abilities

The medication is available in multiple formulations to suit age and clinical need:

• Film-coated tablet: 10 mg, usually for adults and adolescents as directed
• Chewable tablets: 5 mg and 4 mg for younger children where appropriate
• Oral granules: 4 mg packets that can be taken directly or mixed with soft food

Your prescriber will choose the appropriate formulation and dose based on the patient age and condition. Do not change dose or formulation without medical advice. For administration instructions refer to How to Absorb It.

Before you begin

Discuss the following with your healthcare provider before beginning montelukast:

• Any history of liver disease or abnormal liver tests
• Previous or current psychiatric or behavioral conditions, including mood or sleep disorders
• Known allergy to montelukast or to inactive ingredients contained in tablets or granules
• Pregnancy, planning for a baby, or breastfeeding.
• Phenylketonuria (PKU) if considering certain chewable tablets that may contain phenylalanine

If the patient is a childa thorough review pediatric dosing, administration options, and constant monitoring with the child’s clinician.

How to Endure It

• Follow the prescription label and your prescriber’s advice exactly.
• Take montelukast at the same time each day to maintain steady levels.
• Tablets of 10 mg should be swallowed whole; do not break or crush them.
• Chewable tablets must be chewed thoroughly before swallowing.
• Oral granules may be placed directly in the mouth or mixed with a teaspoonful of soft food such as applesauce or breast milk; use immediately after opening the packet.
• Continue the medicine daily unless your clinician instructs you to stop, even when symptoms seem controlled.

In case of suspected consuming an overdose, seek emergency care or contact the poison control center. In the United States call 1-800-222-1222 for Poison Help.

Dose was not taken today

If you forget your dose, take it when you remember, as soon as you can. If it is nearly time for the next scheduled dose, omit the forgot to take my dose and continue with your normal dosing schedule. Avoid taking extra doses to catch up. For routine timing strategies see How to Accept It Gracefully.

Medication Interactions

Certain medicines can change how montelukast is metabolized or how it affects you. Common the dynamics of interaction concerns include:

• Rifampin and rifabutin, which may reduce montelukast levels
• Certain antiepileptic drugs such as phenobarbital, carbamazepine, or phenytoin that induce liver enzymes
• Selected antidiabetic agents like rosiglitazone or repaglinide in specific clinical situations
• Some chemotherapy agents such as paclitaxel
• Herbal enzyme inducers, for example St. John’s wort

This is not exhaustive. Provide your prescriber and pharmacist with a complete list of prescription, over-the-counter medicines, vitamins, and herbal supplements you use. Also discuss alcohol use and tobacco exposure as part of your asthma management.

Observation and Harm prevention measures

• Arrange periodic follow up to evaluate symptom control and adjust therapy when it becomes necessary.
• Do not rely on montelukast to treat sudden worsening of breathing; always keep a rescue inhaler close at hand.
• Report any new or worsening changes in mood, behavior, sleep patterns, or thoughts of self-harm immediately to your health care provider.
• Be alert for signs of liver dysfunction such as dark urine or jaundice and notify your clinician promptly.

For more about the boxed warning and safety communications, see Safety and Legal Notes in the USA.

Potential harmful health effects

Serious reactions — seek medical help right away

• Severe allergic reactions such as hives or swelling of the face, lips, tongue, or throat
• Worsening shortness of breath or wheeze
• Significant liver problems: yellowing of skin or eyes, dark urine
• Unexplained fever or signs of infection
• New or worsening neurological or psychiatric symptoms including suicidal thoughts, agitation, or depression
• Unusual bleeding, bruising, or painful skin lumps

Everyday mild effects

• Painful head
• Drowsiness, dizziness
• Upset stomach or abdominal discomfort
• Runny or stuffy nose, cough
• Problems with sleep or vivid dreams

If indirect effects are persistent, bothersome, or severe, contact your healthcare provider as a guide.

Global seasonal storage spaces provide room for off-season items. Maintenance Guidelines

• Ensure all medications are stored out of reach and out of sight of children and pets.
• Store at normal room temperature, between 15 and 30 degrees C (59 to 86 degrees F).
• Keep tablets and granules protected from moisture and light; retain original packaging when possible.
• Do not use after the expiration date; follow local recommendations for safe disposal of unused medicine.

Return again to The Right Way to Take It Without Worry or this particular section whenever you need a quick reminder on in computing, storage means the capacity to retain data over time..

Similar Medications and Plan B Options

Treatment choices depend on diagnosis, severity, patient preference, and response to therapy. Possible other course options include:

• Zafirlukast (brand Accolate) - another leukotriene receptor antagonist, often dosed twice daily and typically taken on an empty stomach. Generic options may reduce cost.
• Zileuton (brand Zyflo) - a 5-lipoxygenase inhibitor that lowers leukotriene production; requires liver function surveillance of system activity.
• Inhaled corticosteroids such as fluticasone or budesonide for daily asthma control; widely used and effective for many patients.
• Combination inhalers (inhaled corticosteroid plus long-acting beta agonist) for patients with more persistent or severe asthma.
• For allergic rhinitis: oral antihistamines (cetirizine, loratadine) and intranasal steroids (fluticasone, triamcinolone) are common first-line options and many are available over the counter.

Price, tracking and monitoring of performance needs, dosing frequency, and side effect profiles differ between these options. Discuss the best choice for you consult with your clinician. See also these items Pricing in US Dollars for rough comparative price analysis.

Price Guide in US Dollars

Approximate cash prices in the United States, shown as typical retail ranges. Actual cost depends on pharmacy, location, insurance coverage, coupons, and whether you choose brand or generic.

• Generic montelukast 10 mg, 30 tablets: roughly USD 5 to 30
• Generic chewable montelukast 4 mg or 5 mg, 30 tablets: roughly USD 10 to 40
• Brand-name Singulair, 30-day supply: commonly USD 200 to 350 or more without insurance
• Zafirlukast: approximately USD 15 to 40 per month in generic form
• Zileuton: higher cost, roughly USD 200 to 400 per month retail
• Inhaled corticosteroid inhalers: widely variable, roughly USD 30 to 350+ per inhaler depending on product

For the most accurate price, contact local pharmaciesconfirm this. pharmacy discount programs, or take a look your insurance formulary and copay structure.

USA Safety and Legal Brief Notes

• Prescription requirement: Montelukast is available only by prescription in the United States; a licensed prescriber must authorize it.
• FDA boxed warning: A boxed warning for serious neuropsychiatric events has been added; patients should receive counseling and a Medication Guide with each dispensing.
• Use for allergic rhinitis: Due to safety concerns, montelukast is often reserved for patients who have not achieved adequate relief with or cannot tolerate the alternative choice treatments.
• Telemedicine: Telehealth consultations may be used to obtain a prescription in many states, subject to local practice standards and regulations.
• Importation: Importing prescription medicines into the United States from unverified international sources may be restricted and can pose safety risks.
• Do not share prescriptions and follow your prescriber for the act of monitoring and follow up.

Commonly Asked Questions

Is montelukast taken with food? It is okay to take with or without food. See Tips for Taking It.

What should I do if symptoms do not improve? Contact your prescriber to reassess your treatment plan, inhaler technique, and inherent potential triggers. See Tracking and Precautionary Measures.

How should I store montelukast? Store at room temperature in the original package and keep out of reach of children. See Warehouse storage capacity determines how much you can keep. and Handling Rules Recommendations.