Can You Take Ibuprofen with Paracetamol?
Last reviewed: · Source: US FDA drug label database
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Yes — ibuprofen and paracetamol can safely be taken together and are often recommended in combination.
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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.
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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.
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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
Can I take ibuprofen and paracetamol together?
Yes — ibuprofen and paracetamol can safely be taken together. They work through completely different mechanisms, so they don't interact and the combination provides better pain relief than either alone. This is one of the most common and recommended combinations for moderate pain.
Can I take ibuprofen and paracetamol at the same time?
Yes — you can take them at the same time. There's no need to space them apart. Many people take both together for headaches, dental pain, or back pain when one alone isn't sufficient.
How much ibuprofen and paracetamol can I take together?
Standard adult doses: ibuprofen up to 400mg (1-2 tablets) up to three times daily, and paracetamol up to 1g (two 500mg tablets) up to four times daily. Each drug has its own independent daily limit — paracetamol maximum 4g/day, ibuprofen maximum 1200mg OTC. Don't exceed either limit, but you don't need to reduce the dose of one to take the other.
Can you take Nurofen and paracetamol together?
Yes — Nurofen contains ibuprofen, and paracetamol can safely be taken alongside it. Take Nurofen with food to protect your stomach. This is a safe and effective combination.
Is it OK to take ibuprofen and paracetamol on an empty stomach?
Paracetamol is fine on an empty stomach. Ibuprofen should be taken with food or milk to reduce the risk of stomach irritation, which is its main common side effect. If you're taking both together, taking them with a meal is sensible.
Can I give my child ibuprofen and paracetamol together?
Children's ibuprofen and paracetamol can be used together — this is sometimes called 'alternating' or 'combining' — and it's widely used for fever and pain in children. Use age-appropriate doses from the pack and check with a pharmacist if unsure.
How long does the ibuprofen and paracetamol combination last?
Ibuprofen lasts 4-6 hours; paracetamol lasts about 4-6 hours too. Together they can provide 4-8 hours of combined relief depending on the type of pain. Many people find they need less re-dosing than with either drug alone.
Is ibuprofen and paracetamol better than just one of them?
Yes, for most types of moderate pain — multiple clinical trials show that the combination provides significantly better pain relief than either drug alone at standard doses. For dental pain, post-operative pain and headache, the ibuprofen + paracetamol combination is considered as effective as many stronger painkillers.