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Montelukast/Singulair Tablets

Montelukast, also known by its brand name Singulair, is a prescription tablet designed to treat asthma, seasonal allergies like hayfever, and, at times, exercise-induced bronchoconstriction. It works by reducing inflammation in the lungs and airways, ultimately helping you to breathe more easily. You can buy this online in the UK with fast delivery from Pharmacy Planet.

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Montelukast/Singulair Tablets
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Please note that whilst you are able to request the medicine strength and size required,
we will only be able to send on approval from our in house pharmacist.

Starts at £18.00
Price Comparison

Select your preferred options and see the best price

PackPrice (£)
Montelukast (Generic)10mg (Adult)28 Tablets18.00
Montelukast (Generic)10mg (Adult)56 Tablets32.00
Montelukast (Generic)10mg (Adult)84 Tablets46.00
Singulair10mg (Adult)28 Tablets66.00
Singulair10mg (Adult)56 Tablets116.00
Singulair10mg (Adult)84 Tablets164.00

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Montelukast 10 mg Film-Coated Tablets for Asthma and Allergy Treatment

Montelukast tablets are used for the long-term treatment and prevention of asthma symptoms, as well as for allergy relief linked to hay fever. This oral asthma medication is taken once daily and works from the inside to control inflammation in the airways, rather than providing quick relief during an asthma attack.

Montelukast tablets are commonly prescribed for people with chronic asthma, exercise-induced breathing symptoms, or ongoing allergies that affect lung health. Instead of reacting to flare-ups, this treatment focuses on keeping symptoms under control day after day. If approved after an online consultation, Montelukast tablets can be ordered safely through Pharmacy Planet.

What Are Montelukast 10 mg Film-Coated Tablets?

Montelukast tablets contain montelukast, a medicine classed as a leukotriene receptor antagonist. Leukotrienes are natural chemicals released in the body that cause airway inflammation, tightening of the airways, and excess mucus.

By blocking these chemicals, Montelukast tablets reduce inflammatory processes that contribute to asthma symptoms and allergy-related breathing issues. These asthma tablets are taken regularly and are not suitable for treating sudden asthma attacks. Montelukast tablets are also prescribed for allergic rhinitis (hay fever), including sneezing, blocked nose, runny nose, and wheezing linked to allergies.

How Do Montelukast 10 mg Film-Coated Tablets Work?

Montelukast tablets work differently from inhalers by targeting inflammation through the bloodstream rather than directly in the lungs.

  • Blocks Leukotrienes — Montelukast tablets prevent leukotrienes from causing airway swelling and tightening.
  • Reduces Airway Sensitivity — The lungs become less reactive to triggers such as allergens, cold air, or exercise.
  • Controls Ongoing Inflammation — Daily use keeps inflammation under control in people with chronic asthma.
  • Supports Breathing Consistency — Symptoms occur less frequently when taken at the same time each day.

Since Montelukast tablets are preventative, they must be taken consistently and do not replace a reliever inhaler.

How to Take Montelukast 10 mg Film-Coated Tablets

Montelukast tablets are taken once daily, usually in the evening, for asthma treatment. You can take this medicine with or without food.

Dosage Guidance:

  • Adults and young people aged 15 years and over: 10 mg once daily in the evening.
  • Children aged 6 to 14 years: 5 mg once daily (chewable tablets).
  • Children aged 2 to 5 years: 4 mg once daily.
  • When used to prevent exercise-induced asthma symptoms, Montelukast must be taken once daily as prescribed and should not be taken as an additional single dose before exercise.
  • For allergic rhinitis, dosing follows the same age-based guidance and may be taken in the morning or evening depending on symptoms.

Your exact dose and formulation will be confirmed by a prescriber during your consultation with Pharmacy Planet.

Who Can Use Montelukast 10 mg Film-Coated Tablets?

Montelukast tablets may be suitable for people who:

  • Have chronic asthma requiring daily inflammation control.
  • Experience exercise-induced breathing symptoms.
  • Need allergy relief for hay fever affecting breathing.
  • Prefer oral asthma medication instead of additional inhalers.
  • Are managing asthma alongside inhaled treatments.

Montelukast tablets may not be suitable for people who:

  • Need immediate relief during an acute asthma attack.
  • Have a history of certain mental health conditions.
  • Are unable to take daily medication consistently.
  • Have known allergies to montelukast or tablet ingredients.

A prescriber will review your medical history during your online consultation with Pharmacy Planet to confirm suitability.

Possible Side Effects of Montelukast 10 mg Film-Coated Tablets

Most people tolerate Montelukast tablets well, but side effects can occur.

Common Side Effects:

  • Headache
  • Stomach pain or indigestion
  • Diarrhoea
  • Cough or sore throat
  • Stuffy or runny nose

Serious Side Effects:

  • Mood changes, agitation, anxiety, or unusual behaviour
  • Depression or thoughts of self-harm
  • Severe allergic reactions such as swelling or rash
  • Worsening breathing or chest tightness

Seek medical advice immediately if you notice sudden mood changes or serious symptoms after starting Montelukast tablets.

When Are Montelukast 10 mg Film-Coated Tablets Prescribed?

Montelukast tablets are often prescribed because they offer inflammation control without steroids and work well alongside inhalers. People value this treatment because it:

  • Controls asthma symptoms at their source.
  • Reduces exercise-related breathing problems.
  • Manages allergy-related airway irritation.
  • Requires only once-daily dosing.
  • Supports long-term lung health in chronic asthma.

Consultation and Prescription Process at Pharmacy Planet

Ordering Montelukast tablets from Pharmacy Planet is straightforward and safe:

  1. Complete the online consultation and answer questions about your asthma, allergies, and medical history.
  2. A UK-registered prescriber assesses whether Montelukast tablets are suitable for your condition.
  3. If approved, your medication is delivered discreetly to your address.
Montelukast 10 mg Tablets

Montelukast tablets are used for the long-term treatment and prevention of asthma symptoms, as well as for allergy relief linked to hay fever. This oral asthma medication is taken once daily and works from the inside to control inflammation in the airways, rather than providing quick relief during an asthma attack.

Montelukast tablets are commonly prescribed for people with chronic asthma, exercise-induced breathing symptoms, or ongoing allergies that affect lung health. If approved after an online consultation, Montelukast tablets can be ordered safely through Pharmacy Planet.

Montelukast tablets contain montelukast, a leukotriene receptor antagonist. By blocking leukotrienes, the tablets reduce inflammatory processes that contribute to asthma symptoms and allergy-related breathing issues.

These tablets are taken regularly and are not suitable for treating sudden asthma attacks. They are also prescribed for allergic rhinitis including sneezing, blocked nose, runny nose, and allergy-related wheezing.

Montelukast tablets work by targeting inflammation through the bloodstream rather than directly in the lungs.

  • Blocks Leukotrienes — Prevents leukotrienes from causing airway swelling and tightening.
  • Reduces Airway Sensitivity — The lungs become less reactive to triggers such as allergens, cold air, or exercise.
  • Controls Ongoing Inflammation — Daily use keeps inflammation under control in people with chronic asthma.
  • Supports Breathing Consistency — Symptoms occur less frequently when taken at the same time each day.

Montelukast tablets are taken once daily, usually in the evening, with or without food.

Dosage Guidance:

  • Adults and young people aged 15+: 10 mg once daily in the evening.
  • Children aged 6–14: 5 mg once daily (chewable tablets).
  • Children aged 2–5: 4 mg once daily.

Montelukast tablets may be suitable for people who:

  • Have chronic asthma requiring daily inflammation control.
  • Experience exercise-induced breathing symptoms.
  • Need allergy relief for hay fever affecting breathing.
  • Prefer oral asthma medication instead of additional inhalers.

Montelukast tablets may not be suitable for people who:

  • Need immediate relief during an acute asthma attack.
  • Have a history of certain mental health conditions.
  • Are unable to take daily medication consistently.
  • Have known allergies to montelukast or tablet ingredients.

Most people tolerate Montelukast tablets well, but side effects can occur.

Common Side Effects:

  • Headache
  • Stomach pain or indigestion
  • Diarrhoea
  • Cough or sore throat
  • Stuffy or runny nose

Serious Side Effects:

  • Mood changes, agitation, anxiety, or unusual behaviour
  • Depression or thoughts of self-harm
  • Severe allergic reactions such as swelling or rash
  • Worsening breathing or chest tightness

Seek medical advice immediately if you notice sudden mood changes or serious symptoms after starting Montelukast tablets.

Montelukast tablets are often prescribed because they offer inflammation control without steroids and work well alongside inhalers. People value this treatment because it:

  • Controls asthma symptoms at their source.
  • Reduces exercise-related breathing problems.
  • Manages allergy-related airway irritation.
  • Requires only once-daily dosing.
  • Supports long-term lung health in chronic asthma.

Ordering Montelukast tablets from Pharmacy Planet is straightforward and safe:

  1. Complete the online consultation and answer questions about your asthma, allergies, and medical history.
  2. A UK-registered prescriber assesses whether Montelukast tablets are suitable for your condition.
  3. If approved, your medication is delivered discreetly to your address.
Frequently Asked Questions

Yes. Singulair is the brand name, and Montelukast is the active ingredient. They work in exactly the same way and are prescribed for the same conditions.

No. Montelukast tablets do not replace a reliever inhaler. They are taken daily to control asthma symptoms, but you still need an inhaler for sudden breathing problems.

No. Montelukast tablets are not a steroid. They work by blocking chemicals in the body that cause airway inflammation.

For asthma, Montelukast tablets are usually taken in the evening. This timing fits how asthma symptoms often worsen overnight.

Some people notice fewer symptoms within a few days, but full benefit usually builds over a few weeks of regular daily use.

Yes. Montelukast tablets are commonly prescribed to prevent breathing problems triggered by exercise when taken as advised by a prescriber.

Yes. Montelukast tablets are used for allergy relief, including hay fever symptoms such as sneezing, blocked nose, and allergy-related wheezing.

In some people, Montelukast tablets may cause mood changes or unusual thoughts. Any new or worrying changes should be reported to your prescriber straight away.

Skip the missed dose and take your next dose at the usual time. Do not take two doses together.

There is no direct restriction, but alcohol can worsen asthma symptoms in some people. It is best to drink moderately and monitor how you feel.

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Review By

HARMINDER ‘HARMY’ KAUR

Last Updated On : Mar 13 2026

BSc(hons) Pharmacy

GPhC Number: 2061107

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Authored By

GURDEV SEHMI

Last Reviewed On : Mar 23 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925