<human>:  What are the possible side effects of taking ibuprofen?
<bot>: Possible side effects of taking ibuprofen may include stomach pain, diarrhea, headache, dizziness, drowsiness, heartburn, nausea and/or vomiting, rash, ringing in the ears, and increased risk of heart attack or stroke. Long-term use of large doses of ibuprofen may also increase the risk of kidney and liver damage.