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