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Table 1 Characteristics and risks related to overdose of the drugs implicated in this case

From: Endoscopic removal of a gastric pharmacobezoar induced by clomipramine, lorazepam, and domperidone overdose: a case report

Drug name

Maximal oral daily dosing (adult) 1

Half-life (adult)

Intoxication signs (non-exhaustive list) 2

Risk factors for bezoar’s formation in the reported case

Clomipramine

250 mg/d

• Clomipramine: 19 - 37 h

• Desmethylclomipramine (active metabolite): 54 – 77 h

• Tachycardia, hypotension, orthostasis

• PR, QRS, QTc intervals prolongation

• Anticholinergic effects (e.g. blurred vision, delirium, agitation, hallucinations, mydriasis, sinus tachycardia, urinary retention)

• Seizures, sedation

• Anticholinergic effect

• Sustained-release formulation with hypromellose component

• Massive tablets ingestion (i.e. 115 tablets, 8,625 g)

Domperidone

30 mg/d

~ 7 h

• QT interval prolongation, cardiac arrhythmia

• Restlessness, drowsiness, insomnia, headache, confusion, dizziness and acute dystonic reactions, akathisia, parkinsonian-like symptoms

• Diarrhea, dry mouth

• Massive tablet ingestion (i.e. 16 tablets, 160 mg)

Lorazepam

10 mg/d

~ 12 h

• Sedation, dizziness, amnesia, ataxia, slurred speech, lethargy

• Hypotension

• Hypothermia, respiratory failure

• Coma

• Massive tablet ingestion (i.e. 50 tablets, 125 mg)

  1. References:
  2. [1] Lexicomp mobile software, Lexi-Drugs, Hudson, Ohio: Wolters Kluwer Clinical Drug Information, Inc., July 14, 2016
  3. [2] Lexicomp mobile software, Lexi-Tox, Hudson, Ohio: Wolters Kluwer Clinical Drug Information, Inc., July 14, 2016