COVID-19 SERVICE UPDATE – JULY 2021
Shipping Update

We are now seeing improvements in our shipping times. However, things are not yet back to normal and there are still some delays occurring. We will provide updates as the situation changes.

Our normal shipping time averages 1 - 2 weeks. Due to the pandemic, shipments may sometimes take an additional 2 – 4 weeks to arrive, depending on the source country of your order. Shipments from the United Kingdom and Canada are generally quicker than from other countries.

Please note that these times are averages and individual shipping times will vary. We highly recommend that you place your order at least 2 – 4 weeks or more ahead of your normal reorder time to avoid running out of your medication.

We offer a shipping guarantee when you place an order with us. If your order does not arrive within 6 weeks from the date it was shipped, we will re-ship your order to you at no additional cost.

Call Center

Our call center hours of operation are 6:00 am – 9:00 pm Central Time on Monday to Friday, and 7:00 am – 7:00 pm Central Time on Saturday and Sunday.

If you are experiencing increased hold times or are calling outside of these hours, please leave us a message or send us an email and we will get back to you as soon as we can. Due to increased demand on telephone networks worldwide, you may experience some intermittent connection problems. If this happens our agents will call you back.

Our Commitment

If you have any questions about any changes in our service please do not hesitate to contact us. Our staff are working tirelessly to ensure the timely fulfillment and delivery of all orders. The health and safety of our customers and staff is our highest priority and we remain committed to providing service at the highest level.

We appreciate your business and thank you for your continued support.


Management and Staff
Best Price Rx

Singulair Montelukast Sodium and/or alternatives

Product / Manufacturer
Quantity / Price (USD)

Singulair 10mg

Manufacturer: MSD Source Country : Turkey
Shipped from : Turkey

Singulair 10mg

Manufacturer: MSD Source Country : United Kingdom
Shipped from : United Kingdom

Montelukast Sodium 10mg

Generic Alternative to Singulair 10mg
Manufacturer: A UK MHRA approved Generic Manufacturer Source Country : United Kingdom
Shipped from : United Kingdom

Montelukast Sodium 10mg

Generic Alternative to Singulair 10mg
Marketed as Ran-Montelukast in Canada Manufacturer: Ranbaxy Source Country : Canada
Shipped from : Canada
  • What is a Generic?

  • This item requires a prescription from your doctor

  • All trademarks and registered trademarks are the property of their respective owners.

  • Please note that the source country, shipping country and/or manufacture may vary depending on availability.

Description of Singulair

Singulair is an oral drug prescribed to patients who require maintenance treatment for asthma. The active ingredient present in this drug, montelukast, belongs to the group of drugs known as leukotriene-receptor antagonist and helps to reduce broncho-constriction. The generic name for Singulair is Montelukast sodium.

Patients may buy Singulair in any of the following dosage forms:

  • 10mg tablets
  • 4mg chewable tablets
  • 5mg chewable tablets
  • 4mg oral granules

Indications & Dosage of Singulair

Singulair may be prescribed by the doctor in the following conditions:

  • As chronic or prophylaxis (preventive) treatment of asthma in adults and children above 12 months
  • As preventive treatment in patients over 15 years of age for exercise-induced broncho-constriction
  • Allergic rhinitis (seasonal) in patients over 2 years old and allergic rhinitis (perennial) in patients at least 6 months old.

Patients who buy Singulair are prescribed their dosage according to their medical requirements, past history of or current ailments, other medications and age. The general recommended dosage for various situations is listed below:

  • For asthma in patients: Below 23 months of age- a packet of 4mg granules; Between 2 and 5 years old- one packet of 4mg granules or a single 4mg chewable tablet; Between 6 and 14 years old- a single 5mg chewable table; 15 years or above- a single 10mg tablet. Singulair should be taken only once per day.
  • For exercise-induced bronchoconstriction in patients 15 years old or above- one 10mg tablet at least 2 hours before exercising.
  • For rhinitis (seasonal): Between 2 and 5 years- a pack of 4mg oral granules or a single 4mg chewable tablet; Between 6 and 14 years- a single 5mg chewable tablet; 15 years or above- one 10mg tablet. Patients should take only one dose of Singulair each day.
  • For rhinitis (perennial): The dosage remains the same as with rhinitis (seasonal). Only patients between 6 and 23 months old can also take a packet of 4mg Singulair oral granules per day as medication.

Side Effects & Interactions of Singulair

Some of the minor side effects of Singulair which tend to disappear within a short span of time and generally do not require medical treatment are:

  • Headache, toothache, stomach ache
  • Heartburns
  • Nausea
  • Stomach upset
  • Fatigue
  • Flu symptoms, sore throat

The following list includes some of the serious side effects of Singulair which should be immediately reported to a doctor:

  • Tremors, seizures, convulsions
  • Severe headache or pain in the sinus
  • Unusual bleeding, easy bruising
  • Muscle ache or numbness, tingling sensations
  • Depression, mood or behavior changes
  • Severe skin irritation, spotting, rashes

Doctors should always be informed about the medications of their patients so that they can monitor drug interactions. Some drugs which should not be co-administered with Singulair or require dosage adjustments are: aspirin, NSAIDs, rifampin, Phenobarbital, dexamethasone, butalbital and carbamazepine.

Warnings & Precautions of Singulair

Singulair should never be administered to prevent or treat an asthma attack that has already begun.

This drug should only be used by pregnant and lactating women if clearly instructed by the doctor after weighing all possible risks against benefit.

Patients allergic to montelukast (or any of the inactive ingredients in this drug) and having a history of phenylketonuria should avoid this drug.



IMPORTANT DISCLAIMER: All medical content is supplied by a third party company who is independent from this web site. As such, this web site can not guarantee the reliability, accuracy, and /or medical efficacy of the information provided. In all circumstances, you should seek the advice of a health professional pertaining to drug, treatment and/or medical condition advice. Note that not all products are shipped by our contracted Canadian pharmacy. This website contracts with dispensaries around the world that ship products directly to our customers. Some of the jurisdiction include but are not limited to United Kingdom, Europe, Turkey, India, Canada, Vanuatu, Mauritius, and USA. The items within your order may be shipped from any one of these jurisdiction depending on the availability and cost of the products at the time you place your order. The products are sourced from these countries as well as others. Please note that the product appearance may vary from actual product received depending on availability. The content above has been supplied by a third party who is contracted to, and also independent from, this web site. This web site cannot guarantee the accuracy, reliability or medical efficacy of the content provided. It is suggested that you always seek the advice of a health professional for treatment, drug or medical condition advice.

Mailing Address:

(Through our main mailing hub)
Best Price Rx
3219 Yonge St
Suite 306
Toronto, ON, Canada
M4N 3S1

*Returns not accepted at this address.
Contact us for more information.

Phone Numbers:
Toll Free Phone: 1-888-487-4224 Toll Free Fax: 1-888-325-3149
Hours of Operation:

6:00 am to 9:00 pm (CST), Monday to Friday
7:00 am to 7:00 pm (CST), Saturdays and Sundays