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. Find fast-acting ibuprofen pain relievers in convenient tablet and capsule formats. Shop trusted brands for your medicine cabinet. The maximum amount of ibuprofen for adults is 800 milligrams per dose or 3200 mg per day (4 maximum doses). A child's dose is based on the age and weight of the child. 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. Relieves headache, body aches, backache, arthritis, cramps & fever. NSAID caplets, multi-symptom relief. Adults 12+. However, you don't want to take more than 800 milligrams of ibuprofen unless it's directed by your doctor. Not only can taking more than the recommended dose of ibuprofen increase your risk of side effects, but too much ibuprofen can also cause seizures, low blood pressure, or coma. Ibuprofen 800mg is a prescription-strength NSAID with real risks to your stomach, heart, and kidneys. Here’s what to know before taking it. Ibuprofen 800mg package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Shop for Ibuprofen 800 Mg at Walmart.com. Save money. Live better. Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis. It is also used to reduce fever and to relieve minor aches and pain due to the common cold or flu. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID).