The answer depends on the exact product and prescribed regimen. Have the packet and leaflet ready. Record what happened so a pharmacist or prescriber can help you decide what to do.
For a possible overdose, serious reaction or rapidly worsening symptoms, get urgent medical advice now. In an immediate emergency in the EU, call 112. Do not wait to complete this form.
Check the missed-dose instructions for your exact medicine, strength and formulation. Do not apply another medicine’s rule or double a dose unless your medicine-specific instructions or prescriber explicitly tell you to. Ask a pharmacist or prescriber promptly if the instructions are unclear, doses have been missed repeatedly or the medicine is time-critical. This page does not decide whether to take, skip, restart or change a dose.
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Written with AI assistance from published guidance and public sources. General information — not advice about your particular situation.
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