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Singulair

Singulair

Montelukast

Montelukast tablets for asthma and allergic rhinitis. They block leukotrienes, so they prevent symptoms rather than stop an attack once it starts.

Active ingredient
Montelukast
Route
Oral use
Form
Tablet
Strengths
4mg · 5mg · 10mg

Singulair is the reference name. You receive a generic with the same active ingredient and strength.

Supply requirements for Singulair depend on the medicine and destination. The fulfilment partner must confirm them before accepting an order.

Singulair details

Alternative names
montelukast
Therapeutic class
Leukotriene Receptor Antagonist
Pharmacological class
Antiasthmatic/Antiallergic
Contraindications
hypersensitivity to montelukast
Minor side effects
headache; nausea; cough
Moderate side effects
sinusitis; abdominal pain; fatigue
Dosage forms
Tablet
Administration route
Oral use
Supply category
Prescription-only medicine (POM)
Originator
Merck
Onset Time
1–2 hours
Duration
24 hours
Storage instructions
Store below 25°C.
Drug interactions
Phenobarbital; Rifampin
Age restrictions
Approved for paediatric patients over two years and adults.
Serious side effects

neuropsychiatric changes, requires immediate medical attention; systemic eosinophilia, requires immediate medical attention

Patient summary

Montelukast tablets for asthma and allergic rhinitis. They block leukotrienes, so they prevent symptoms rather than stop an attack once it starts.

Mechanism of action

Blocks cysteinyl leukotriene type-1 receptors, preventing localised airway bronchoconstriction and inflammatory vascular leakage.

Pregnancy and breastfeeding

Pregnancy: Suitability during pregnancy depends on the specific medicine and individual circumstances. Confirm with a qualified clinician or pharmacist before use. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.

What you will receive

Singulair names the medicine you are looking for. What ships is a generic version of it.

  • A generic containing Montelukast at the strength you pick.
  • Which generic brand and maker ships depends on stock and destination.
  • Check the active ingredient, strength, form, pack, seal, batch and expiry when it arrives.

How we compare medicine brands and generics