Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, inflammation and fever. It is available over-the-counter in generic form and in brands such as Advil and Motrin. Physicians can prescribe ibuprofen at higher doses. The maximum amount for adults is 800 mg per dose and 3200 mg per day.
Gastrointestinal symptoms are the most common ibuprofen overdose effects. These can include diarrhea, heartburn, nausea, vomiting and stomach pain.
Ibuprofen overdose also can cause bleeding in the stomach and intestines. This may result in dizziness, weakness, black, tarry stools, blood in the urine and coughing or vomiting blood.
Breathing changes also can be caused by overdosing on ibuprofen. The person may experience wheezing, difficulty breathing and slow or shallow breathing.
Additional signs of ibuprofen overdose include agitation, blurred vision, confusion, dizziness, drowsiness, fainting, headache, lack of urine production, rash, ringing in the ears and sweating.
A severe ibuprofen overdose can result in seizures, unconsciousness, coma and death.