Diflunisal Oral Pill

See also Warning section. Upset stomach, heartburn, headache, tiredness, drowsiness, or dizziness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if any of these unlikely but serious side effects occur: stomach pain, vision changes, hearing changes (e.g., ringing in the ears), mental/mood changes (e.g., confusion, hallucinations), fast/pounding heartbeat, persistent/severe headache, fainting, difficult/painful swallowing, symptoms of heart failure (such as swelling ankles/feet, unusual tiredness, unusual/sudden weight gain). Tell your doctor right away if any of these rare but very serious side effects occur: signs of kidney problems (such as change in the amount of urine), easy bruising/bleeding, signs of infection (e.g., fever, persistent sore throat), unexplained stiff neck. This drug may rarely cause serious (possibly fatal) liver disease. If you notice any of the following rare but very serious side effects, stop taking diflunisal and tell your doctor right away: yellowing eyes/skin, dark urine, unusual/extreme tiredness, severe stomach/abdominal pain, persistent nausea/vomiting. A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.