Cases of overdosage have occurred and deaths have been reported. Most patients recovered without evidence of permanent sequelae. The most common signs and symptoms observed with overdosage were drowsiness, vomiting, nausea, diarrhea, hyperventilation, tachycardia, sweating, tinnitus, disorientation, stupor and coma. Diminished urine output and cardiorespiratory arrest have also been reported. The lowest dosage of DOLOBID (diflunisal) at which a death has been reported was 15 grams without the presence of other drugs. In a mixed drug overdose, ingestion of 7.5 grams of DOLOBID (diflunisal) resulted in death.
In the event of overdosage, the stomach should be emptied by inducing vomiting or by gastric lavage, and the patient carefully observed and given symptomatic and supportive treatment. Because of the high degree of protein binding, hemodialysis may not be effective.
The oral LD50 of the drug is 500 mg/kg and 826 mg/kg in female mice and female rats respectively.
DOLOBID (diflunisal) is contraindicated in patients with known hypersensitivity to diflunisal or the excipients (see DESCRIPTION).
DOLOBID (diflunisal) should not be given to patients who have experienced asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs. Severe, rarely fatal, anaphylactic/anaphylactoid reactions to NSAIDS have been reported in such patients (see WARNINGS - Anaphylactic/Anaphylactoid Reactions, and PRECAUTIONS - Preexisting asthma).
Last reviewed on RxList: 2/27/2008
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