Singulair (Montelukast)

Rx Prescription Required

Select your dosage below to view Singulair cost and place your order. Save up to 90% and get FREE standard shipping on prescription medication delivered to your door.

Singulair 10mg
Montelukast Sodium
Merck Sharp & Dohme
Montelukast 10mg
Montelukast Sodium
UK Various Generics
Singulair 10mg
Montelukast Sodium
Merck Sharp & Dohme
Montelukast 10mg
Montelukast Sodium
Teva Pharmaceuticals


Medically reviewed by Dr. Samuel Maaiah, PharmD

Last updated: April 10, 2024

Medically Reviewed by Pharmacist Samuel Maaiah, PharmD

Dr. Maaiah is a PharmD graduate who has practiced both in pharmaceutical consulting and retail pharmacy. His interests include consulting and the development and approval of new therapeutics. He currently works as a Medical Information Consultant (MIC) and as a retail pharmacist. As a MIC he helps pharmaceutical companies with projects and by consulting as a medical information expert.

When Dr. Maaiah is not working, he enjoys spending time with his family and friends, doing outdoor activities, working out, and reading.

Order Online

How to buy Singulair (Montelukast) online?

Singulair (Montelukast) can be ordered online through or by calling 1-800-828-4489 and speaking to our customer support.

The chat feature can also be used for support. For more information, please visit the “How to Order” page.

Is a prescription required?

Yes, a valid prescription from your doctor is required to process your order. Singulair is a prescription medication and can only be sold with a prescription.

To process your order, you will need to submit a prescription. The prescription can be emailed ([email protected]), faxed (1-800-416-8019), or uploaded. Alternatively, we can reach out to your doctor to attain a valid prescription if you would like.

What is the maximum amount that can be ordered?

A 3-month supply (90-days) is the maximum amount that can be ordered at one time. The amount that can be ordered will be based on the directions and quantity indicated on the prescription from your provider. Refills are kept on file for future orders.

Is it safe to order Singulair (Montelukast) from Canadian Pharmacy Online?

Absolutely. We operate just like your local pharmacy would, with our main priority being to provide you access to safe and affordable prescription medication. All our partner pharmacies are fully licensed and certified in their respective countries. We ensure that your shopping experience is safe and secure with our Norton Shopping Guarantee.

Singulair Cost

How much does Singulair (Montelukast) cost?

Singulair 10mg – (Brand)

  • Average US retail price – $286.16 (30 tablets)
  • Our price – $35.00 (28 tablets)

Montelukast 10mg – (Generic)

  • Average US retail price – $78.07 (30 tablets)
  • Our price – $27.00 (28 tablets)

We make sure to keep drug prices low. You can view the Singulair (Montelukast) cost savings above with the price comparison of brand and generic Singulair (Montelukast) between the average U.S. retail price and our price.

What is the lowest price of Singulair (Montelukast) per unit?

Lowest Price Per Unit: $0.50/unit for generic Singulair (Montelukast) 10 mg tablets

Is this price for Singulair (Montelukast) without insurance?

The prices are not including insurance. Unfortunately, we cannot accept insurance. However, we will give you an official receipt which you can use to apply for reimbursement with your insurer. We are unable to adjudicate with US insurance providers.

Why is Singulair (Montelukast) cheaper from Canada than from the United States?

The prices of medications ordered from Canada are cheaper because their drug prices are negotiated and regulated. The US is a free market economy which is how the price differs since pharmaceutical suppliers can charge what they deem appropriate for the product. As a result, we offer lower prices to our patients as we utilize medications from these countries.

Singulair Coupon

Is there a Singulair coupon available?

Sorry, we do not have a Singulair (Montelukast Sodium) coupon at the moment, please check back later.

Singulair Generic

Is there a lower cost generic Singulair (Montelukast) available?

Singulair (Montelukast) is available as a generic alternative.

How much cheaper is generic Singulair (Montelukast)?

Generic Singulair (Montelukast) is $8 cheaper than brand Singulair.

What is the difference between brand and generic Singulair (Montelukast)?

There is no difference between generic and brand Singulair. Generic formulations of medications contain the same active ingredients and meet the same quality, strength, and purity standards as the brand formulation.


Is shipping available to the United States?

Yes. An email notification will be sent to you once the item has been shipped. We ship nationwide across the United States.

How much does shipping cost?

Standard shipping is free.

Is express shipping available?

If a product of Canada is available then express shipping can be selected with an estimated delivery time of 3-5 business days. You have the option at the checkout page to select the express shipping option ($25) if available for that medication source.

Refill Rx

How to refill a prescription?

Refilling your prescription is made easy with our online pharmacy. You can sign into your online account and view your previous orders and see which prescriptions we have on file. Placing a refill order online is made simple by accessing the reorder section in your account.

You can also call us and speak to customer support to place a refill. Our live chat is also a great place to connect with us to place a refill order while you are on the go.

Are prescriptions automatically refilled?

We do not automatically refill prescriptions as there can be cases where you are no longer taking the medication, your doctor has changed your dose, etc. However, we provide a friendly refill reminder service. We will kindly notify you by phone or email as to the best time to place a refill order based on your prescription history.

Drug Information

About Singulair (Montelukast)

What is Singulair (Montelukast)?

Singulair (Montelukast) is a prescription medication that is classified as a leukotriene receptor antagonist.


What is it used for? 

It is used as a prophylactic and chronic therapy for asthma, prevention of exercise-induced asthma, as well as allergic rhinitis. 

How does it work?

It binds to the cysteinyl leukotrienes (CysLT) receptors found in smooth muscle cells and macrophages. This prevents airway edema, smooth muscle contraction and other respiratory inflammation.


How do I take Singulair (Montelukast)? 

Take Singulair (Montelukast) as directed by your doctor. If taking it for exercise-induced asthma, take at least 2 hours prior to exercise. Do not take more than the recommended dose.   

What dosages are available?

Singulair (Montelukast) comes in brand and generic 10 mg tablets. 

What is the recommended dosage?

It is generally dosed 10 mg once daily but take as directed by your doctor. 

What is the maximum dosage?

The maximum recommended dosage is 10 mg/day.

What if I miss a dose?

If you miss a dose, take the next dose at your regular time, you should not take an extra dose.

Warnings & Precautions

What should you know before you take Singulair (Montelukast)?

Montelukast is not used to treat an acute asthma attack, if you have an asthma attack use the appropriately indicated therapy from your doctor. Patients with asthma should have a rescue medication on hand at all times. 

If you are switching to montelukast from an inhaled steroid inhaler, do not abruptly discontinue your inhaler unless otherwise indicated by your doctor. 

A wide variety of neuropsychiatric events have been reported in patients taking montelukast. Given the inconsistent presentation of these events it is difficult to determine the exact rate of occurrence in patients. They have been reported in all age groups and in patients who are on therapy and in those who have discontinued therapy. If you have concerns about this you should have a conversation with your doctor about the risks vs benefits of being on montelukast.

Side Effects

What are the side effects of Singulair (Montelukast)?

Some common side effects include:

  • Upper respiratory Infection 
  • Fever 
  • Headache
  • Pharyngitis
  • Cough 
  • Abdominal Pain
  • Diarrhea
  • Otitis Media 
  • Influenza 
  • Rhinorrhea (Runny nose)
  • Sinusitis 

Speak to your doctor for a full list of side effects.


Does this medication interact with other drugs, foods, or alcohol?

There are no known clinically significant drug interactions with montelukast.


How should this medication be stored?

Store at 20°C to 25°C (68°F to 77°F), do not expose to moisture or leave in significant light.

Pharmacist Tips

  • If you experience any negative changes in your mood or behavior make sure to talk to your doctor as soon as possible. 
  • Make sure to take montelukast every day as prescribed even if you don’t have symptoms as it is a preventative medication and only works if taken everyday. 
  • Montelukast is NOT for acute asthma attacks, make sure to use your appropriate emergence therapy. 
  • Talk to your doctor if you have increased utilization of your emergency inhaler.

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.


Save $10 on your first order!
Enter Canadian Pharmacy Online coupon code CPO10 to save $10 off your order. Minimum $50 order value. *Coupon codes are one-time use and cannot be combined.

Singulair FAQ

Why do I have to take Singulair (Montelukast) at night?

When Singulair (Montelukast) was studied in patients with asthma there was no evaluation of the efficacy of morning administration. The trials did show that there was a benefit to taking Singulair (Montelukast) in the evening with or without food. 

How fast does Singulair (Montelukast) work?

Patients will usually notice the effect of Singulair (Montelukast) after the first dose and continue to notice an effect after the whole duration of treatment. Patients also should not have a rebound of worsening asthma after discontinuation. 

Does Singulair (Montelukast) make your nose run?

Patients on Singulair (Montelukast) do report >5% of the time that Singulair (Montelukast) will make you have a runny nose. 

Can you stop Singulair (Montelukast) cold turkey?

Although Singulair (Montelukast) has not been shown to cause withdrawal effects, you should consult your doctor prior to discontinuing Singulair (Montelukast) as it may be essential to your asthma related therapy. 

Does Singulair (Montelukast) have a black box warning?

Yes, Montelukast has a black box warning for the development of Neuropsychiatric Events. You should have a conversation with your doctor about the risks and benefits of starting Singulair (Montelukast) and notify your doctor if you have any negative changes in your mood or behavior while on Singulair (Montelukast).

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.