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Medicines dextromethorphan hydrobromide + paracetamol + promethazineQuestion & answer

dextromethorphan hydrobromide + paracetamol + promethazine · Medicine question

Will it make me sleepy?

iatroX medicinesPublished 19 August 2026Reviewed 19 August 2026

The answer

Answer

It commonly can. Promethazine is sedating, and dextromethorphan may add dizziness or drowsiness.

Sources for this answer

Fedril/Numark/Well Pharmaceuticals/Boots/Care Night Cold & Fluemc · SmPC Current selected SmPC · Version 20
Night Nurse Capsulesemc · SmPC Current selected SmPC · Version 22

NHSNHS · NHS medicine guidance

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The full medicine guide

dextromethorphan hydrobromide + paracetamol + promethazine

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