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Medicines dextromethorphan hydrobromide + paracetamol + promethazineQuestion & answer

dextromethorphan hydrobromide + paracetamol + promethazine · Medicine question

Will it make me sleepy?

iatroX medicinesMedicine guide reviewed 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 & Flu — Current selected SmPCemc · Summary of Product Characteristics
Night Nurse Capsules — Current selected SmPCemc · Summary of Product Characteristics

NHS · NHS medicine guidance

General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.

The full medicine guide

dextromethorphan hydrobromide + paracetamol + promethazine

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the dextromethorphan hydrobromide + paracetamol + promethazine guide

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