An awareness of warning and precautions with diflunisal can ensure a safe treatment process. Do not take the drug with other nonsteroidal anti-inflammatory drugs, as this may increase your risk of serious side effects, including bleeding. Other warnings and precautions with diflunisal include side effects that should be reported to your healthcare provider immediately, such as vomiting blood, and symptoms that require emergency medical attention, including chest pain and slurred speech.
Stomach ulcers, stomach bleeding, or a history of either condition
Any allergies to medicines, including aspirin or other NSAIDs (nonsteroidal anti-inflammatory drugs).
Let your healthcare provider know if you:
Are pregnant or thinking about becoming pregnant
Are breastfeeding
Drink alcohol frequently
Smoke
Are having or have recently had heart surgery.
Also tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.