Singulair

Developed to target inflammation in the airways, intended to support the management of persistent asthma and allergic rhinitis by blocking leukotrienes.

Strengths: 4 · 5 · 10mg

Respiratory Health icon Respiratory Health Montelukast icon Montelukast

Where to Check Availability

Medicine details

Conditions
Therapeutic class

Leukotriene Receptor Antagonist

Pharmacological class

Leukotriene Receptor Antagonist

Contraindications

hypersensitivity to montelukast

Minor side effects

headache; abdominal pain

Moderate side effects

diarrhoea; nausea; increased liver enzymes; rash

Dosage forms

Chewable tablet; Film-coated tablet

Administration route

Oral use

Prescription status

POM

Manufacturer

MSD

Onset Time

24 hours

Duration

24 hours

Storage instructions

Store below 30°C.

Drug interactions

phenobarbital

Age restrictions

Available for use in children.

Pregnancy and breastfeeding

Pregnancy: consult physician. Breastfeeding: consult physician.

Precautions and warnings

not for acute asthma attacks; monitor for neuropsychiatric changes; if symptoms persist, seek medical advice

Serious side effects

churg-strauss syndrome — requires immediate medical attention; depression — requires immediate medical attention; suicidal ideation — requires immediate medical attention

Patient summary

Developed to target inflammation in the airways, intended to support the management of persistent asthma and allergic rhinitis by blocking leukotrienes.

Mechanism of action

Montelukast is a leukotriene receptor antagonist. It selectively blocks the action of cysteinyl leukotrienes in the lungs, which are inflammatory mediators released in response to inhaled allergens, thereby preventing airway constriction and swelling.

Singulair

Developed to target inflammation in the airways, intended to support the management of persistent asthma and allergic rhinitis by blocking leukotrienes.

Editorial Notes

  • Active ingredient(s): Montelukast
  • Listed indication(s): Asthma, Allergic Rhinitis

Usually available as

  • 90 tablets - 4 mg247-4-mg-5203
  • 90 tablets - 5 mg247-5-mg-5210
  • 60 tablets - 10 mg247-10-mg-5196