ibuprofen

American  

[ahy-byoo-proh-fuhn, ahy-byoo-proh-fen] / ˌaɪ bjuˈproʊ fən, aɪˈbju proʊˌfɛn /

noun

Pharmacology.

• ibuprofens
  plural

1. a white powder, C 13 H 18 O 2 , used especially in the treatment of rheumatoid arthritis and osteoarthritis as an anti-inflammatory, analgesic, and antipyretic.

---

ibuprofen British  

/ aɪˈbjuːprəʊfən /

noun

1. a drug, isobutylphenylpropionic acid, that relieves pain and reduces inflammation: used to treat arthritis and muscular strains. Formula: C 13 H 18 O 2

---

ibuprofen Scientific  

/ ī′byo̅o̅-prō′fən /

1. An anti-inflammatory drug used to reduce fever or pain.

---

Other Word Forms

Noun Inflected Forms

• ibuprofens
  plural

Etymology

Origin of ibuprofen

First recorded in 1965–70; by contraction, rearrangement and respelling of isobutylphenyl propionic acid, the chemical name

Example Sentences

See Examples For:

ibuprofen ibuprofens

"I took some ibuprofen, shrugged it off, went to sleep. I woke up the next day absolutely exhausted, no energy, really high fever."

From BBC ● Sep. 5, 2026

Steel, in the U.K., said he’s coming to this year’s race stocked with anti-inflammatories, ibuprofen and sunscreen to stay safe on the course.

From The Wall Street Journal ● Aug. 11, 2026

It is considered the safest option for treating pain and fever in pregnant women, as other medications, including aspirin or ibuprofen, present proven risks to the fetus -- as do untreated fevers.

From Barron's ● Jul. 13, 2026

Now, a Phase II clinical trial suggests that two relatively simple interventions, exercise and low-dose ibuprofen, may help reduce some of these cognitive challenges.

From Science Daily ● Jun. 10, 2026

Still, she was determined not to take ibuprofen because she was pregnant with Aurora and had heard it could hurt the baby.

From "The Benefits of Being an Octopus" by Ann Braden

But having them there, alongside a few ibuprofens and whatever medication I was taking, felt like a literal lifeline during a difficult time.

From Slate ● Nov. 21, 2019

If they would have told me the price before I would have gotten a whole freaking bottle of ibuprofens for less than that. jeanne373 Thanks for your response. 

From Time ● Feb. 22, 2013

"There was a 100 percent compliance rate, and the whole pain-management protocol in the study was two ibuprofens for the two to three hours of discomfort that follow the placement of the device," Binagwaho says.

From Scientific American ● Mar. 16, 2011