Singulair

Medically Reviewed by HaVy Ngo, Pharm.D.

Last Reviewed: Jun 03, 2022

Common Questions


Common Questions about Singulair (montelukast)


Is Singulair over the counter?

Singulair is not over the counter. It is a prescription medicine.



Can you take cold medicine with Singulair?

Always consult your doctor or pharmacist before taking over-the-counter cold or flu medicine with Singulair. While no significant interactions have been found between Singulair (montelukast) and common cold remedies such as Tylenol Cough and Sore Throat Daytime and Vicks DayQuil HBP cold and flu, this does not mean that no interactions exist.



What other allergy medicine can I take with Singulair?
Singulair can be used in combination with allergy medications like nasal antihistamines (Astelin), oral antihistamines (Zyrtec, Claritin, Allegra, Xyzal), and intranasal steroid sprays (Nasacort, Flonase).


Why do you have to take Singulair at night?
Doctors advise taking Singulair at night because, during clinical studies, Singulair was being given to people with asthma in the evening. That’s why it is highly recommended that you take Singulair in the evening, however, it is very likely that Singulair will work as well when being taken at other times of the day.

   Is Singulair a steroid?
  Singulair is not a steroid, and it does not contain any steroid ingredient  


Is Singulair an antihistamine?
Singulair is not an antihistamine. It is a leukotriene receptor antagonist that works by blocking leukotrienes that are responsible for lungs inflammation and airway narrowing. Antihistamines work by blocking a different substance called histamine. 


  Does Singulair cause weight gain?
 Singulair has not been found to cause weight gain in clinical studies.


How quickly does Singulair work?
In clinical studies, Singulair starts working after the first dose. However, most patients notice an improvement in their allergy and/or asthma symptoms after 3-7 days of Singulair use. Do not stop taking Singulair even if you feel better. The medicine works long-term to keep your symptoms under control.


Can you stop Singulair cold turkey?

While Singulair does not typically cause withdrawal symptoms or make asthma worse if you stop it suddenly, it is highly recommended that you talk to your doctor before discontinuing this medicine.



Does Singulair help with mucus?
Singulair helps to reduce nasal congestion and other allergy symptoms such as sneezing and itching. The medication blocks the action of leukotrienes which cause swelling and mucus production in the nasal passages


What dosages are available for Singulair?

Singulair is available in the following strengths: 10 mg. This drug is available in the following forms: tablet, chewable tablet. Make sure to follow your prescription regimen according to your doctor’s instructions.



What is the price of Singulair without insurance?

Without insurance, Singulair can be as high as $60.02 (generic), but with a free BuzzRx prescription discount coupon, you could pay as low as $10.87 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can also use your BuzzRx card and coupons to purchase brand-name. 



What is the price of Singulair with insurance?

Ask your pharmacist or insurance provider for your copay price on Singulair—Copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for Singulair. When using the BuzzRx lookup tool to find the price of your medication, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.