MRK 275 Pill — PINK ROUND, 10mm — Montelukast

Imprint	MRK / 275
Colour	PINK
Shape	ROUND
Size	10
Strength	montelukast sodium 5 mg
Dosage form	Tablet, Chewable
Manufacturer	Merck Sharp & Dohme Corp.
NDC	0006-0275
Schedule	—
Availability	—
Ingredients	montelukast sodium[montelukast]

What does this imprint mean?

The imprint "MRK 275" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.

Active ingredient

Montelukast

Uses and warnings

Key warnings include: - "Do not prescribe montelukast sodium to treat an acute asthma attack" - Do not abruptly substitute for inhaled or oral corticosteroids; gradual reduction only - Patients with aspirin sensitivity should continue avoiding aspirin and NSAIDs - "Neuropsychiatric events have been reported" including agitation, depression, suicidal thinking/behavior, hallucinations, and sleep-related issues - Systemic eosinophilia and vasculitis (Churg-Strauss syndrome) reported, sometimes linked to corticosteroid reduction - Chewable tablets contain phenylalanine; inform phenylketonuria patients

Montelukast sodium is indicated for: - "Prophylaxis and chronic treatment of asthma in patients 12 months of age and older" - "Acute prevention of exercise-induced bronchoconstriction (EIB) in patients 6 years of age and older" - Relief of allergic rhinitis symptoms: seasonal form in patients 2+ years old, perennial form in patients 6+ months old

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "MRK 275".
• Confirm the colour (PINK) and shape (ROUND).
• Compare the size (10) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

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