Ibuprofen works by reducing the production of certain chemicals in the body that promotes pain and inflammation. Although ibuprofen is typically safe for most people, you should still use it with caution and alert your licensed healthcare provider to any adverse reactions you experience. Ibuprofen (Advil, Motrin) treats minor aches and pains caused by the common cold, headaches, toothaches, back or muscle aches. How much ibuprofen can you take at once or in a day? Learn the safe dose limits, overdose signs, and when ibuprofen may raise stomach, kidney, or heart risks. Overview: Ibuprofen is used to reduce fever, pain, and swelling. It works by blocking certain substances in the body that cause pain, inflammation, and fever. Common side effects include stomach. NHS information about ibuprofen for adults, including what it's used for, who can use it, how to use it and side effects. Easy-to-read patient tips for ibuprofen covering how it works, benefits, risks, and best practices. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate pain, and helps to relieve symptoms of arthritis (osteoarthritis, rheumatoid arthritis, or juvenile arthritis), such as inflammation, swelling, stiffness, and joint pain. You can overdose on ibuprofen. We explain the recommended dosages plus symptoms you may experience if you’ve had too much of this medication. Don’t take more than 1,200 milligrams of ibuprofen a day, unless directed by a provider. If you need it longer than 10 days, seek medical attention. Often, someone has heard that ibuprofen and other NSAIDs might be bad for their gut health or overall health, but they want to know if it’s okay to take just one or two here and there for a headache, cramps, or occasional pain.