Answer
The full dose of the Sandoz Limited montelukast sodium 4 mg oral granules product must be administered immediately (within 15 minutes) after opening the sachet; open only when ready to use and, if mixed with food, do not store for future use.
Sources for this answer
- Montelukast Sodium 4 mg Oral GranulesSandoz Limited · emc · SmPC §4.2 Posology and method of administration · Version 9Document updated
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