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Salicylate Poisoning and Rebound Toxicity
Sindhu Harika Peketi1, Pratap Kumar Upadrista1, Bair Cadet2
1Internal Medicine, Nassau University Medical Center, East Meadow, USA.
Cureus
|May 15, 2024
Summary
Salicylate poisoning requires careful management of acid-base balance and serum levels. Hemodialysis is crucial for severe cases, especially with rebound toxicity, to enhance salicylate elimination.
Area of Science:
- Toxicology
- Emergency Medicine
- Nephrology
Background:
- Salicylate toxicity presents with diverse symptoms and necessitates expert diagnosis and treatment.
- Effective management strategies are vital due to the potential for rapid patient deterioration.
Observation:
- A case report details a 29-year-old female with a history of psychiatric disorders who intentionally overdosed on acetylsalicylic acid.
- The patient exhibited mixed acid-base disturbance (respiratory alkalosis and metabolic acidosis) and altered mental status.
Findings:
- Initial treatment included bicarbonate infusion and slow, low-efficiency hemodialysis due to high salicylate levels (98.2).
- A rebound increase in salicylate levels (129) occurred, leading to increased confusion and necessitating regular hemodialysis.
- Regular hemodialysis improved mental status and steadily eliminated salicylate.
Implications:
- Severe salicylate toxicity management is challenging, lacking a specific antidote.
- Key therapeutic goals include limiting absorption, enhancing elimination, and providing supportive care.
- Close monitoring of acid-base status, serum salicylate levels, and potential rebound toxicity is critical for successful outcomes.
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