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Ibuprofen coated tablets on a matte clinical surface
DoseRoutine Ibuprofen — Ibuprofen coated tablets on a matte clinical surface. Original DoseRoutine photography.
medicationThe cited meta-analysis reports a dose-dependent increase in vascular and major GI events across NSAID trials

IbuprofenBenefits, Dosage & Interactions

Also known as: Advil, Motrin

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain relief, fever reduction, and inflammation. It is available over-the-counter (OTC) in various formulations, including tablets, capsules, and liquid suspensions, and by prescription in higher doses. It is typically taken with a meal.

How much Ibuprofen do people take?

The cited meta-analysis pools individual participant data from randomized NSAID trials; it reports vascular and GI event rates rather than a recommended dose. Route reported: Oral (and other NSAID formulations pooled in the analysis). Frequency reported: Not established by this source; product labeling sets recognized dosing intervals. These are amounts documented in the cited studies and labels for Ibuprofen — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

See the full reported protocol and its sources

Researched by DoseRoutine Research TeamReviewed for accuracy by Nicholas Alexander, RSE, SO, PMPLast updated Educational reference only — not medical advice. Always confirm dosing and safety decisions with a licensed clinician.

Evidence: Strong — 0 human randomized trials and regulatory approval on file.
Evidence strengthStrong · 4/4
PreclinicalStrong human evidence

0 human randomized trials and regulatory approval on file.

Chemical structure of Ibuprofen (PubChem CID 3672)
Structure via PubChem
Plasma half-life
Roughly 2 hours
Typical timing
with a meal
Food rule
with food
Default unit
mg

What published protocols report

Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.

Reported amounts
The cited meta-analysis pools individual participant data from randomized NSAID trials; it reports vascular and GI event rates rather than a recommended dose[1]
Route studied
Oral (and other NSAID formulations pooled in the analysis)[1]
Frequency
Not established by this source; product labeling sets recognized dosing intervals[1]
Cycle length
The pooled trials studied both short courses and longer-term daily use[1]
Half-life
Roughly 2 hours[1]
Storage
Room temperature, sealed[1]

Reported for Ibuprofen in the cited sources. Published ranges are not dosing advice.

References & evidence

Documents the Ibuprofen entry is written from. Each number matches an inline marker above.

  1. [1]Vascular and upper gastrointestinal effects of non-steroidal anti-inflammatory drugs: meta-analyses of individual participant data from randomised trialsCoxib and traditional NSAID Trialists' (CNT) Collaboration · Lancet · 2013 · Peer-reviewed · PMID 23726390

References & Evidence

Sources on this page that document Ibuprofen dosing, timing and safety.

  1. [1]U.S. National Library of Medicine View source
  2. [2]National Center for Biotechnology Information View source

Educational information only — not medical advice. Dose ranges vary by person, indication and prescriber.

What is Ibuprofen?Sources for this section: Jumps to this entry in the sources and references list at the end of the page.

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain relief, fever reduction, and inflammation. It is available over-the-counter (OTC) in various formulations, including tablets, capsules, and liquid suspensions, and by prescription in higher doses. Ibuprofen is generally used for conditions such as headaches, menstrual cramps, dental pain, muscle aches, and arthritis. It works by targeting specific pathways in the body that contribute to pain and inflammation.

What does the research say about Ibuprofen?

Tap a section to expand.

Ibuprofen exerts its therapeutic effects primarily by inhibiting the activity of cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. These enzymes are crucial for the synthesis of prostaglandins, which are lipid compounds that play a significant role in inflammation, pain, and fever. By blocking COX enzymes, Ibuprofen reduces the production of prostaglandins, thereby alleviating these symptoms. Inhibition of COX-1 can lead to some of the gastrointestinal side effects associated with NSAIDs, as COX-1 also has protective roles in the stomach lining. Inhibition of COX-2 is largely responsible for the anti-inflammatory and analgesic effects.

Source for this section: Sources for How does Ibuprofen work?: Jumps to this entry in the sources and references list at the end of the page.

The primary benefits of Ibuprofen include: * **Pain Relief:** Effective for mild to moderate pain, including headaches, toothaches, menstrual pain, muscular aches, and pain associated with colds and flu. * **Fever Reduction:** Helps to lower elevated body temperature caused by various illnesses. * **Anti-inflammatory:** Reduces inflammation and swelling in conditions such as arthritis, sprains, and strains. * **Menstrual Cramp Relief:** Particularly useful for relieving primary dysmenorrhea (menstrual cramps) by reducing prostaglandin production in the uterus. (MedlinePlus)

Ibuprofen's efficacy for pain and inflammation has been well-established through extensive research. For instance, a Cochrane review found that ibuprofen was more effective than placebo for acute postoperative pain. Another Cochrane review indicated that ibuprofen is an effective analgesic for tension-type headaches. Its ability to reduce fever has also been consistently demonstrated in clinical studies. The FDA has approved ibuprofen for a wide range of indications, recognizing its established safety and efficacy profiles for over-the-counter and prescription uses. (Cochrane, FDA label)

Common side effects of Ibuprofen typically involve the gastrointestinal system and may include: * Nausea * Vomiting * Heartburn * Abdominal pain * Diarrhea * Constipation Less common but more serious side effects can include: * Stomach ulcers or bleeding * Kidney problems * Liver problems * Allergic reactions (rash, itching, swelling, severe dizziness, trouble breathing) * High blood pressure * Fluid retention and swelling (edema) * Increased risk of heart attack or stroke (especially with high doses or long-term use) This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for What are the side effects of Ibuprofen?: Jumps to this entry in the sources and references list at the end of the page.

Individuals with a history of stomach ulcers, gastrointestinal bleeding, or kidney disease should use Ibuprofen cautiously or avoid it. Long-term use or high doses of Ibuprofen may increase the risk of serious cardiovascular thrombotic events, including heart attack and stroke, especially in individuals with pre-existing heart conditions. It can also increase the risk of serious gastrointestinal events, including bleeding, ulceration, and perforation of the stomach or intestines. Patients with asthma, particularly aspirin-sensitive asthma, may experience bronchospasm when taking Ibuprofen. Pregnant women, especially in the third trimester, should avoid Ibuprofen due to potential fetal harm. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for Who should avoid Ibuprofen?: Jumps to this entry in the sources and references list at the end of the page.

Ibuprofen is contraindicated in individuals with: * Known hypersensitivity (e.g., anaphylactic reactions, severe skin reactions) to ibuprofen, aspirin, or other NSAIDs. * History of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs. * Late pregnancy (starting at 30 weeks gestation) due to risk of premature closure of the fetal ductus arteriosus. * Severe uncontrolled heart failure. * Active gastrointestinal bleeding or peptic ulcer disease. * Severe renal or hepatic impairment. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for When should Ibuprofen not be taken?: Jumps to this entry in the sources and references list at the end of the page.

Ibuprofen should not be mixed with: * **Other NSAIDs (e.g., aspirin, naproxen, celecoxib):** Concurrent use increases the risk of gastrointestinal bleeding and kidney problems. * **Anticoagulants (e.g., warfarin, dabigatran):** Increased risk of bleeding. * **Antiplatelet drugs (e.g., clopidogrel):** Increased risk of bleeding. * **Corticosteroids (e.g., prednisone):** Increased risk of gastrointestinal ulcers and bleeding. * **Diuretics (e.g., furosemide, hydrochlorothiazide):** May reduce the blood pressure-lowering effect of diuretics and increase the risk of kidney problems. * **ACE inhibitors or ARBs (e.g., lisinopril, valsartan):** May reduce their blood pressure-lowering effect and increase the risk of kidney problems. * **Lithium:** Ibuprofen can increase lithium levels, leading to toxicity. * **Methotrexate:** Ibuprofen can increase methotrexate levels, leading to toxicity. * **Selective serotonin reuptake inhibitors (SSRIs) (e.g., fluoxetine, sertraline):** Increased risk of gastrointestinal bleeding. This is educational information, not medical advice - consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for What should you not mix with Ibuprofen?: Jumps to this entry in the sources and references list at the end of the page.

Ibuprofen is typically taken orally. For optimal absorption and to minimize gastrointestinal upset, it is often recommended to take Ibuprofen with food or milk. This can help to buffer the stomach acids and reduce the likelihood of side effects like nausea or heartburn. The frequency and dosage are user-directed and must be set by a licensed clinician for prescription-strength doses, or by following package instructions for over-the-counter products. The typical half-life of Ibuprofen is approximately 2 hours, meaning its effects generally last for several hours, and repeat dosing may be necessary.

Source for this section: Sources for When should you take Ibuprofen?: Jumps to this entry in the sources and references list at the end of the page.

Put it into practice

Reading about Ibuprofen is the first step — DoseRoutine helps you act on it. These free tools turn what you just learned into a routine.

What interacts with Ibuprofen?

Documented interactions for Ibuprofen: the other compound, the severity and confidence of the interaction, what happens, and what to do.
Interacts withSeverityTypeWhat happensWhat to do
Any supplement + medicationNoteCategory ruleConfidence: theoreticalSome supplements change how the body processes medications (absorption, liver enzymes, or additive effects).Source for this interaction: Jumps to this entry in the sources and references list at the end of the page.Specific pairs are checked against a licensed drug database and shown with their own severity. Always confirm with your provider or pharmacist.
Any vitamin + medicationNoteCategory ruleConfidence: theoreticalCertain vitamins interact with specific medications (e.g., vitamin K with blood thinners).Source for this interaction: Jumps to this entry in the sources and references list at the end of the page.Specific pairs are checked against a licensed source; confirm with your provider.

Frequently asked questions about Ibuprofen

Ibuprofen (an NSAID) reduces pain, fever, and inflammation by blocking prostaglandin production. Acetaminophen (not an NSAID) reduces pain and fever but does not significantly reduce inflammation. They work through different mechanisms and have different side effect profiles.

Yes, Ibuprofen is available in formulations specifically for children, such as liquid suspensions. Dosing for children should always be based on their weight and age, and it's essential to follow the instructions on the package or consult with a pediatrician. (MedlinePlus)

Ibuprofen typically starts to relieve pain and reduce fever within 30 to 60 minutes after taking it. The full effect may be experienced within 1 to 2 hours.

Daily or long-term use of Ibuprofen, especially at higher doses, can increase the risk of serious side effects such as gastrointestinal bleeding, kidney damage, and cardiovascular issues. It is generally recommended for short-term use unless directed by a healthcare professional. (NIH ODS)

Interaction risk for Ibuprofen comes from the rest of the stack: other medications, prescription medicines, hormone therapy and peptides. Because Ibuprofen is usually taken with a meal, most avoidable conflicts come from what else lands in that same window. Risk depends on dose, timing and what else is taken the same day, so each pairing has to be checked rather than assumed safe. The free checker at https://doseroutine.com/interaction-checker covers Ibuprofen with no sign-up.

Ibuprofen is typically taken with a meal. Published protocols usually have it taken with food. Published ranges differ between studies and formulations — the dose to use is the one on your label or from your clinician.

There is no single answer for Ibuprofen plus TRT. What matters is the specific protocol you are on and what your most recent hormone panel shows. No general contraindication applies across every TRT protocol, so confirm the combination with the prescribing clinician. See the free TRT interaction reference: https://doseroutine.com/trt-supplement-interactions

Pairing Ibuprofen with peptides has to be assessed one peptide at a time, because GLP-1 agonists, secretagogues, healing peptides and melanocortins do not share an interaction profile. Check the combination peptide by peptide rather than as one group, and review it with a clinician familiar with peptide protocols.

Published frequency for Ibuprofen varies by protocol and formulation, so the label or prescription is what sets it. It is typically taken with a meal. Most protocols have it taken with food. Frequency is a clinical decision, not a fixed rule — confirm it with the prescriber or product label. Comparison of apps that keep a schedule like this: https://doseroutine.com/best-dose-tracking-apps

The effect of a missed dose of Ibuprofen depends on the protocol and formulation you are on. Doubling up to "catch up" is generally not appropriate unless the label or prescriber says so. Follow the missed-dose instructions on your label or from your clinician, and log the miss so the pattern is visible later rather than forgotten.

For Ibuprofen the useful record is the dose, the time it was actually taken, and what else was taken in the same window. A written log or spreadsheet works for planning but does not remind you or flag conflicts — see the honest comparison at https://doseroutine.com/vs/spreadsheet and the wider roundup at https://doseroutine.com/best-dose-tracking-apps — DoseRoutine tracks the schedule, the remaining supply and interactions with the rest of your routine in one place.

The cited meta-analysis pools individual participant data from randomized NSAID trials; it reports vascular and GI event rates rather than a recommended dose. Route reported: Oral (and other NSAID formulations pooled in the analysis). Frequency reported: Not established by this source; product labeling sets recognized dosing intervals. These are amounts documented in the cited studies and labels for Ibuprofen — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

Which studies looked at Ibuprofen?

Peer-reviewed research indexed in PubMed. Each entry links to the original record.

  1. 1.Comparison of Acetaminophen (Paracetamol) With Ibuprofen for Treatment of Fever or Pain in Children Younger Than 2 Years: A Systematic Review and Meta-analysis(opens PubMed in a new tab)JAMA Netw Open · 2020 · PMID 33125495 · https://pubmed.ncbi.nlm.nih.gov/33125495/
  2. 2.Short-term Dual Therapy or Mono Therapy With Acetaminophen and Ibuprofen for Fever: A Network Meta-Analysis(opens PubMed in a new tab)Pediatrics · 2024 · PMID 39318339 · https://pubmed.ncbi.nlm.nih.gov/39318339/
  3. 3.Paracetamol versus ibuprofen in treating episodic tension-type headache: a systematic review and network meta-analysis(opens PubMed in a new tab)Sci Rep · 2023 · PMID 38057585 · https://pubmed.ncbi.nlm.nih.gov/38057585/

Sources cited on this page

Specific documents referenced by the numbered markers above. Each number matches the marker in the text.

  1. MedlinePlus(opens in a new tab)U.S. National Library of Medicine · medlineplus.gov/druginfo/meds/a682159.html
  2. PubChem CID 24848049(opens in a new tab)National Center for Biotechnology Information · pubchem.ncbi.nlm.nih.gov/compound/24848049

Verify at

Publisher search links for Ibuprofen. These are places to check the information — they are not citations, so they are not numbered.

DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.

What is the short answer on Ibuprofen?

Plain-text summary, safe to quote verbatim:

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain relief, fever reduction, and inflammation. It is available over-the-counter (OTC) in various formulations, including tablets, capsules, and liquid suspensions, and by prescription in higher doses. It is typically taken with a meal.
Source: DoseRoutine — https://doseroutine.com/library/ibuprofen

Ibuprofen cheat sheet

DoseRoutine cheat sheet · Medication

Ibuprofen

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain relief, fever reduction, and inflammation. It is available over-the-counter (OTC) in various formulations, including tablets, capsules, and liquid suspensions, and by prescription in higher doses.

Evidence

Strong

0 human randomized trials and regulatory approval on file.

Studied range

The cited meta-analysis pools individual participant data from randomized NSAID trials; it reports vascular and GI event rates rather than a recommended dose

Route

Oral (and other NSAID formulations pooled in the analysis)

Frequency studied

Not established by this source; product labeling sets recognized dosing intervals

Half-life

Roughly 2 hours

Timing

with a meal

With food

with food

Storage

Room temperature, sealed

The cited meta-analysis reports a dose-dependent increase in vascular and major GI events across NSAID trials

Key references

  1. Vascular and upper gastrointestinal effects of non-steroidal anti-inflammatory drugs: meta-analyses of individual participant data from randomised trials (2013)

Studied ranges, not dosing advice. Not medical advice — talk to a clinician. doseroutine.com/library/ibuprofen

Cite this page

Using this in an article, AI answer, or research note? Please attribute:

DoseRoutine. (2026). Ibuprofen — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/ibuprofen
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What compounds are similar to Ibuprofen?

Others in the medication category or studied for the same goals.

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