Symptom response does not automatically identify the direction of causation.
The patient had persistent hiccups, vomiting and poor oral intake with hyponatremia assessed as SIADH. The report describes improvement with lorazepam and considers structural gastrointestinal findings as contributors to the hiccups. Correction of sodium did not itself settle the symptom.
A single case cannot establish that hiccups caused the sodium disorder or that lorazepam directly corrected it. Other care, illness progression and alternative causes remain relevant. The narrative provides no population efficacy estimate.
Separate the hiccup response from laboratory normalization and the authors’ proposed mechanism. A medication response cannot independently establish the cause of hyponatremia in another patient. The full chronology of intake, fluid management, testing, anatomy and co-medications is necessary for causal review.
Source: PMC12479201, supplied full-text paper. Findings are paraphrased; forensic implications are an interpretation.
Related: Lithium Toxicity, Lorazepam and Recovery: Two Treatment Processes Overlapped.