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.
No prescription needed: we place your order for Singulair on your behalf.
- 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
- 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.
Is the Singulair sold here the original brand?
No. Singulair is the original brand, made by Merck, and Direct Meds uses the name to identify the medicine: you receive a generic with the same active ingredient (montelukast) at the strength you choose. The generic brand and manufacturer depend on available stock.
What is another name for montelukast?
On Direct Meds the same ingredient is also sold as Montair.
How much does Singulair cost in South Africa?
The price varies with strength and pack size. Singulair comes in 4mg, 5mg and 10mg strengths, in packs of 30 to 360 tablets, and the price of every option is shown above in rand, converted from US dollars. Larger packs cost less per tablet.
Payment and prices →What is Singulair used for?
Singulair contains montelukast, used for asthma, allergic rhinitis and exercise-induced bronchoconstriction prevention.
How quickly does Singulair work?
Montelukast usually starts to work within 1 to 2 hours, and its effect lasts about 24 hours. The exact timing differs between people.
What are the side effects of Singulair?
The common side effects of montelukast are headache, nausea and cough. Less common ones include sinusitis, abdominal pain and fatigue. Serious but less common side effects include neuropsychiatric changes and systemic eosinophilia, which need urgent medical attention.
Which medicines interact with Singulair?
Montelukast can interact with phenobarbital and rifampicin. Tell your doctor or pharmacist about every medicine you take before you start taking Singulair.
Do I need a prescription to buy Singulair in South Africa?
No, not online: Direct Meds does not ask for a prescription to order Singulair. We are a broker, not a dispensing pharmacy. We arrange orders and delivery with our affiliated supplier on your behalf.
Ordering without a prescription →Can I buy Singulair online in South Africa?
Yes. Our affiliated supplier delivers across South Africa. Estimated delivery is 7 days with Express Delivery, which includes online tracking, or up to 3 weeks with Regular Delivery.
How ordering works →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.