Montelukast — Leukotriene receptor antagonist. Study the mechanism, listed uses and warnings from the US label on one sourced card.
Generic name
Montelukast
Class
Leukotriene receptor antagonist
Mechanism
Binds with high affinity and selectivity to the CysLT1 receptor, inhibiting physiologic actions of leukotriene D4 in the airway.
Used for
Asthma prophylaxis and chronic treatment in patients aged 15 years and older; Prevention of exercise-induced bronchoconstriction in patients aged 15 years and older; Seasonal or perennial allergic rhinitis in patients aged 15 years and older only when alternative therapies are ineffective or not tolerated
Serious neuropsychiatric reactions, including suicidal thoughts or behavior, have been reported. For allergic rhinitis, use is reserved for inadequate response or intolerance to other treatments.
Warnings
Not for acute asthma attacks; Systemic eosinophilia / Churg-Strauss; Aspirin sensitivity persists
Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.
Label date: 20260804 · For learning, not clinical decisions. US label and brand information; always consult the current source.
Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.
Mechanism: A synthetic trifluorinated corticosteroid with anti-inflammatory activity. High glucocorticoid-receptor binding affinity is shown in vitro, but its clinical significance and the precise mechanism of rhinitis symptom relief are unknown.
On both cards: Common side effects — Headache; Pharyngitis; Cough
Only on the Fluticasone card: Used for — Nasal symptoms of perennial nonallergic rhinitis in adults and children aged 4 or older · Common side effects — Epistaxis; Nasal burning / irritation · Warnings — Epistaxis, nasal ulceration, septal perforation; Glaucoma and cataracts; Hypercorticism and adrenal suppression
Mechanism: A synthetic trifluorinated corticosteroid with anti-inflammatory activity and high glucocorticoid-receptor affinity in vitro. It affects inflammatory cells and mediators, but the precise mechanism of rhinitis symptom relief and the clinical significance of receptor-binding findings are unknown.
On both cards: Common side effects — Headache; Pharyngitis; Cough
Only on the Fluticasone propionate card: Used for — Nasal symptoms of perennial nonallergic rhinitis in adults and children aged 4 or older · Common side effects — Epistaxis; Nasal burning / irritation · Warnings — Epistaxis, nasal ulceration, septal perforation; Glaucoma and cataracts; Hypercorticism / adrenal suppression
On both cards: Common side effects — Headache; Pharyngitis; Cough
Only on the Tiotropium bromide (soft mist inhaler) card: Used for — COPD bronchospasm maintenance and reduction of COPD exacerbations; Asthma maintenance from age 6, for the cited Spiriva Respimat inhalation spray · Common side effects — Dry mouth; Sinusitis · Warnings — Not a rescue medication; Worsening narrow-angle glaucoma; Worsening urinary retention
An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.