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Can I take Cetirizine and Paracetamol together?

Drug interaction guide

There are no known significant interactions between cetirizine and paracetamol. It is generally considered safe to take these two medicines together.

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Why this happens

These medicines work in different ways and are processed by different pathways in the body. Paracetamol is primarily processed by the liver to relieve pain and fever, while cetirizine is an antihistamine that is mostly cleared by the kidneys. They do not interfere with how the other is absorbed or removed from the system.

What you should do

You can take paracetamol and cetirizine at the same time if needed. Always follow the dosage instructions on the packet for each individual medicine. If you feel unusually sleepy, avoid driving or operating machinery until you feel more alert.

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Important precautions

Liver disease or heavy alcohol consumption

You are at a much higher risk of serious liver damage from paracetamol; do not exceed the recommended dose and consult your doctor before use.

Epilepsy or history of seizures

This medication may increase the risk of having a seizure.

Concurrent use of other cold, flu, or pain remedies

Many other medicines contain paracetamol; taking them together can lead to a fatal overdose. Always check labels for paracetamol or APAP.

Food and drink warnings

Alcohol

While cetirizine is a non-drowsy antihistamine, alcohol can increase the risk of feeling sleepy or dizzy. It is best to avoid drinking alcohol while taking this medicine to see how it affects you first.

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Using other medicines

Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

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Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 24 Jan 2026 | Originally published
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