Can You Take Ibuprofen with Paracetamol?
Last reviewed: · Source: US FDA drug label database
Yes — ibuprofen and paracetamol can safely be taken together and are often recommended in combination.
Is it safe to take Ibuprofen with Paracetamol?
Ibuprofen and paracetamol (also known as acetaminophen in the US) work in completely different ways and do not interact with each other in the body. This means they can be taken at the same time or alternated throughout the day. Many doctors and pharmacists actively recommend this combination for moderate pain such as dental pain, headaches, or post-operative discomfort, as it provides better pain relief than either drug alone.
How do Ibuprofen and Paracetamol interact?
Ibuprofen is a non-steroidal anti-inflammatory drug (NSAID) that blocks prostaglandin production, reducing inflammation and pain at the site of injury. Paracetamol works centrally in the brain through a different pathway (likely COX-3 inhibition and serotonin modulation) and has no anti-inflammatory effect. Because they act on completely separate targets, they do not compete, interfere, or enhance each other's side effects. The FDA drug label data confirms no clinically significant pharmacokinetic interaction between the two drugs.
Data sourced from the US Food and Drug Administration (FDA) drug label database: Ibuprofen NDA 017463; Acetaminophen drug label data via OpenFDA.
Who should be careful?
People with kidney disease should use ibuprofen cautiously. People with liver disease or who drink alcohol heavily should use paracetamol cautiously. Those with stomach ulcers or who take blood thinners should be careful with ibuprofen. Elderly patients should take the lowest effective dose of both. Always check the dose of each drug — paracetamol is found in many combination cold and flu remedies, so accidental double-dosing is a real risk.
What if I've already taken Ibuprofen and Paracetamol?
If you have already taken ibuprofen and paracetamol together, you do not need to worry — this is a well-established and safe combination. Continue taking them as directed, ensuring you do not exceed the recommended daily dose for either drug. If you are concerned, speak to a pharmacist.
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Frequently Asked Questions
Is it safe to take ibuprofen and paracetamol together?
Yes. Ibuprofen and paracetamol work in different ways and can safely be taken together. This combination is often recommended by doctors for moderate pain.
How long should I wait between ibuprofen and paracetamol?
You do not need to wait — you can take them at the same time. Alternatively, you can alternate them (e.g. take ibuprofen, then paracetamol 2 hours later) to maintain more consistent pain relief throughout the day.
What are the side effects of taking ibuprofen and paracetamol together?
The combination does not create new side effects. The main risks are the individual side effects of each drug: ibuprofen can irritate the stomach; paracetamol can affect the liver if taken in excess. Always stay within recommended doses.
Should I tell my doctor I take both ibuprofen and paracetamol?
Yes. Always tell your GP or pharmacist about all medicines you take, including over-the-counter drugs. This is especially important if you also take any prescribed medication.