Allergic reactions - skin rash, bronchospasm.
Gastrointestinal disorders - nausea, vomiting, pain in the epigastric region, diarrhea. With prolonged use, erosive and ulcerative lesions of the gastrointestinal tract may occur, including bleeding, hearing loss, kidney and liver function.
Hemorrhagic syndrome (epistaxis, bleeding gums), increase in clotting time.
All of the side effects (including unusual ones), including those not mentioned above, should be reported to the treating physician.