Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Lages on how often can you take 800 mg ibuprofen: No more than 3x per day, always with food in your stomach to protect the stomach lining. Pictures of Motrin (Ibuprofen), drug imprint information, side effects for the patient. St. Louis Children’s Hospital provides an Ibuprofen (Advil, Motrin) dosage table for children. Find out how much Ibuprofen to give to children based on a child's weight. Contact us at 314-454-KIDS (5437) for more child health information. Help your kids bounce back by relieving their pain or fever with Children's MOTRIN ®. For high fever, nothing works faster or lasts longer. Among OTC brands. Find relief from muscle pains, minor arthritis pain, toothaches and headaches, and reduce fever with MOTRIN® IB, which contains ibuprofen. They are the same. Another name for this medication is Advil. Prescribed doses come in 200, 400, 600, and 800 mg's. You can only buy 200 mg dosing over the counter. Ibuprofen is a pain reliever and fever reducer used to temporarily relieve minor aches and pains due to headache, toothache, backache, menstrual cramps, the common cold, muscular aches, and minor pain of arthritis. Ibuprofen is also used to temporarily reduce fever. Ibuprofen Tablets, USP, a nonsteroidal anti-inflammatory drug (NSAID), is available in 400 mg, 600 mg, and 800 mg tablets for oral administration. Ibuprofen and diclofenac are both medications used to reduce symptoms of inflammation such as pain, swelling and tenderness. Prescription ibuprofen is available in 800 milligram strength, while diclofenac comes in strengths of 100 to 200 milligrams. Individualization of Dosage: The dose of MOTRIN Suspension should be tailored to each patient, and may be lowered or raised from the suggested doses depending on the severity of symptoms either at time of initiating drug therapy or as the patient responds or fails to respond.