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Prescription tablet taken by moutha nonsteroidal anti-inflammatory drug (NSAID), a type of medicine that reduces pain, swelling, and fever

Ibuprofen

Ibuprofen · Say it: eye-boo-PROH-fen

A prescription NSAID tablet used to ease arthritis symptoms, mild to moderate pain, and painful menstrual periods.

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⬛ Boxed warning (the FDA's strongest warning)

This is the FDA's strongest warning. NSAIDs, including ibuprofen, increase the risk of serious heart and blood vessel events, such as heart attack and stroke, which can be fatal. This risk may happen early in treatment and may grow with longer use. Ibuprofen is not to be used in the setting of coronary artery bypass graft (CABG) surgery. NSAIDs also increase the risk of serious stomach and intestine problems, including bleeding, ulcers, and holes (perforation), which can be fatal. These can happen at any time, without warning signs. Older adults are at greater risk for these stomach and intestine problems.

Used for

Relief of signs and symptoms of rheumatoid arthritis and osteoarthritis

Comes as

300 mg tablets; 400 mg tablets

Common side effects

Stomach or digestive upset, the most frequently reported type of side effect, including nausea, heartburn, indigestion, stomach pain, bloating or gas, diarrhea, and constipation, Dizziness, Headache

Key facts
Generic nameIbuprofen
Brand names—
Type of medicinea nonsteroidal anti-inflammatory drug (NSAID), a type of medicine that reduces pain, swelling, and fever
How it is soldPrescription tablet taken by mouth
Comes as300 mg tablets; 400 mg tablets; 600 mg tablets; 800 mg tablets; The supply described in the label is film-coated tablets in a bottle.
Routeoral
Boxed warningYes, see below
Label date2026-02-17

💊 What is Ibuprofen used for?

How it works

The label notes that ibuprofen's effects are linked to inhibition of prostaglandin synthesis, which are substances in the body involved in pain and inflammation.

How it is usually taken

  • The label says to use the lowest effective dose for the shortest time that fits your treatment goals.
  • The dose and how often you take it are set by your prescriber, and may be adjusted after you respond to the first treatment.
  • If the medicine upsets your stomach, the label says to take it with meals or milk.
  • Follow the instructions from your prescriber or pharmacist.

Comes as

  • 300 mg tablets
  • 400 mg tablets
  • 600 mg tablets
  • 800 mg tablets
  • The supply described in the label is film-coated tablets in a bottle.

⚠️ Ibuprofen side effects

Common side effects

  • Stomach or digestive upset, the most frequently reported type of side effect, including nausea, heartburn, indigestion, stomach pain, bloating or gas, diarrhea, and constipation
  • Dizziness
  • Headache
  • Nervousness
  • Rash and itching

Get medical help right away if

  • Get medical help right away if you have chest pain, shortness of breath, weakness, or slurred speech.
  • Get medical help right away if you have black stools, vomiting blood, or stomach pain, since the label says serious stomach bleeding can happen without warning.
  • The label says to stop taking ibuprofen right away if you develop any rash or fever, and to contact your healthcare provider as soon as possible.
  • Contact your healthcare provider if you have shortness of breath, unexplained weight gain, or swelling (edema), which can be signs of heart failure.
  • The label says to stop therapy and seek immediate medical care if you have signs of liver problems, such as nausea, fatigue, lethargy, itching, yellowing of the skin or eyes, pain in the upper right belly, or flu-like symptoms.
  • Get emergency help right away if you have difficulty breathing or swelling of the face or throat, which the label describes as signs of an allergic-type reaction.

🛑 Who should not take Ibuprofen, and who should be careful

The label says not to take it if

  • You have a known allergy (hypersensitivity) to ibuprofen.
  • You have had asthma, hives (urticaria), or allergic-type reactions after taking aspirin or other NSAIDs. The label says severe, rarely fatal, anaphylactic-like reactions have been reported in such patients.
  • You are in the setting of coronary artery bypass graft (CABG) surgery, where the label says it is contraindicated.
  • You are pregnant and in late pregnancy, which the label says to avoid starting at about 30 weeks.

Tell your doctor before taking it if

  • Read the NSAID Medication Guide that comes with each prescription.
  • The label says blood pressure should be watched closely when starting an NSAID, because NSAIDs can raise blood pressure or worsen existing high blood pressure.
  • The label notes that patients with heart disease or risk factors for it have a higher chance of serious heart events.
  • The label says ibuprofen should be avoided in patients with a recent heart attack unless the benefits are expected to outweigh the risks.
  • Tell your prescriber about any history of asthma, hives, or allergic-type reactions to aspirin or other NSAIDs.
  • The label says controlled trials in children have not been conducted.

🔀 Ibuprofen with other medicines, food and alcohol

The label says to discuss these with your doctor or pharmacist

  • ACE inhibitors: the label says NSAIDs may reduce the blood-pressure-lowering effect of ACE inhibitors.
  • Aspirin: ibuprofen can interfere with the antiplatelet effect of aspirin, and the label says taking it with aspirin is generally not recommended because of the potential for more side effects. If you take low-dose aspirin for heart protection, the label says your prescriber may consider a different pain reliever.
  • Diuretics: the label says ibuprofen can reduce the effect of furosemide and thiazide diuretics, and patients should be watched for signs of kidney problems.
  • Lithium: the label says ibuprofen can raise lithium levels in the blood.
  • The label excerpt provided is incomplete. Ask your pharmacist for a full list of medicines that may interact with ibuprofen.

Alcohol and food

The label does not mention alcohol. It says that if the medicine causes stomach upset, it should be taken with meals or milk.

🤰 Ibuprofen in pregnancy and breastfeeding

Pregnancy

The label says NSAIDs, including ibuprofen, can cause early closing of the baby's ductus arteriosus and kidney problems that can lead to low amniotic fluid. The label says to limit dose and duration between about 20 and 30 weeks of pregnancy, and to avoid use at about 30 weeks and later. If treatment is needed between about 20 and 30 weeks, the pregnant woman may need to be monitored for low amniotic fluid if treatment lasts longer than 48 hours.

Breastfeeding

The label says it is not known whether this drug passes into human milk. It notes that a decision should be made whether to stop nursing or stop the drug, considering how important the drug is to the mother.

🗓️ Storage, missed doses and taking too much

Storage

The label excerpt does not include storage temperatures. Check the medicine bottle label or ask your pharmacist.

If a dose is missed

The label does not say.

If too much is taken

The label describes a 19-month-old child who swallowed 7 to 10 ibuprofen 400 mg tablets. The child arrived at the hospital emergency room unresponsive except to painful stimuli, needed oxygen and fluids, and was admitted to intensive care. The label excerpt does not give a full treatment plan. In an emergency, seek medical help right away.

🗒️ Questions to ask about Ibuprofen

🎯 Check what you understood

1. According to the boxed warning, which two serious risks does ibuprofen carry?

2. What does the label say about taking ibuprofen if it upsets your stomach?

3. According to the label, when should ibuprofen be avoided in pregnancy?

❓ Ibuprofen: frequently asked questions

What is ibuprofen used for?

The label says ibuprofen is used to relieve signs and symptoms of rheumatoid arthritis and osteoarthritis, to relieve mild to moderate pain, and to treat painful menstrual periods (primary dysmenorrhea).

Can ibuprofen be taken with aspirin?

The label says concomitant use of ibuprofen and aspirin is not generally recommended because of the potential for increased adverse effects. It also says ibuprofen can interfere with the antiplatelet effect of aspirin.

What should I do if I get a rash or fever while taking ibuprofen?

The label says to stop taking ibuprofen immediately if you develop any type of rash or fever, and to contact your healthcare provider as soon as possible.

Is ibuprofen safe for children?

The label says controlled clinical trials to establish the safety and effectiveness of ibuprofen tablets in children have not been conducted.

What should I do if I think I took too much ibuprofen?

The label describes a case of a young child who needed emergency and intensive care after swallowing several 400 mg tablets. In an emergency, seek medical help right away.

🧪 Tests and reports linked to Ibuprofen

The label text mentions these. If you have one of these reports, get every line of it explained.

📖 Medical words used on this page

  • Allergic reaction

    An allergic reaction is when the immune system overreacts to something harmless, such as a medicine or food, causing symptoms from a rash to swelling.

  • Anaphylactic-like reaction

    An anaphylactic-like reaction is a sudden, severe allergy-type reaction that looks like anaphylaxis and needs emergency help in the same way.

  • Angina

    Angina is chest pain or tightness caused by the heart muscle not getting enough blood and oxygen, usually from narrowed heart arteries.

  • Antihypertensive

    An antihypertensive is any medicine used to lower high blood pressure, such as ACE inhibitors, ARBs, calcium channel blockers or diuretics.

  • Antiplatelet

    An antiplatelet is a medicine, such as aspirin or clopidogrel, that stops platelets clumping together to form clots in arteries.

  • Boxed warning

    A boxed warning is the strongest safety warning on a US medicine label, printed in a box, about a serious or life-threatening risk.

  • Bronchodilator

    A bronchodilator is a medicine that relaxes the muscles around the airways so they open wider and breathing becomes easier.

  • Bronchospastic Disease

    Bronchospastic disease means a lung condition, such as asthma, in which the airways tend to tighten suddenly (bronchospasm).

  • Concomitant

    Concomitant means 'at the same time'; on a medicine label, concomitant use means taking two medicines during the same period.

  • Contraindication

    A contraindication is a reason not to use a particular medicine, test or procedure for a person because it could cause harm.

  • Diuretic

    A diuretic is a medicine that helps the kidneys remove extra salt and water from the body, so you pass more urine.

  • Dysmenorrhea

    Dysmenorrhea is the medical word for painful periods, usually cramping pain in the lower tummy before or during menstruation.

  • Edema

    Edema is swelling caused by extra fluid trapped in the body's tissues, often in the feet, ankles and legs.

  • Film-coated

    Film-coated means a tablet has a thin outer layer that makes it easier to swallow, masks taste, or protects the medicine inside.

📖 Medical words on this page

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🧩 Similar medicines

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Source: official FDA drug label (label updated 2026-02-17). Read the full label on DailyMed

MedicDecode explains the official label in plain words. It is not medical advice and does not replace your doctor or pharmacist. Never start, stop or change a medicine because of what you read here.