Answer
Each Lyfnua (gefapixant citrate) tablet contains less than 1 mmol sodium (23 mg), making it essentially sodium-free.
Sources for this answer
- Lyfnua 45 mg film-coated tabletsMerck Sharp & Dohme (UK) Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 3Document updated
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