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Table 2 Suspected causes for a certainly preventable assessment and drugs involved

From: Characterization and preventability of adverse drug events as cause of emergency department visits: a prospective 1-year observational study

Suspected causes (No. of cases) Drugs involved (No. of cases)a
Abuse (24) Lorazepam (6), quetiapine (3), clonazepam (2), haloperidol (2), bromazepam (2), paroxetine (2), lithium (2), methadone (2), triazolam (1), diazepam (1), chlorpromazine (1), telmisartan (1), alprazolam (1), tosylchloramide (1), clomipramine (1), citalopram (1), promazine (1), acetylsalicylic acid (1), oxazepam (1), venlafaxine (1), delorazepam (1), oxcarbazepine (1), brotizolam (1), valproic acid (1), pregabalin (1), tramadol (1)
Misuse (20) Digoxin (2), acetylsalicylic acid (2), metformin (2), etoricoxib (2), ceftriaxone (1), promazine (1), clopidogrel (1), doxazosin (1), amoxicillin+clavulanic acid (1), ketoprofen (1), levofloxacin (1),
Overdose (17) Lorazepam (3), oxcarbazepine (2), carbamazepine (2), warfarin (2), olanzapine (2), acenocoumarol (2), olmesartan (2), morniflumate (1), oxcarbazepine (1), furosemide (1), acetylsalicylic acid (1), nimesulide (1), ketoprofen (1), paracetamol (1), bisoprolol (1), valproic acid (1), tosylchloramide (1), amoxicillin (1), oxycodone+naloxone (1)
Medication error (10) Warfarin (2), human insulin (1), betamethasone (1), insulin aspart (1), metformin (1), prednisone (1), glicazide (1), paracetamol (1), clonazepam (1), furosemide (1), levothyroxine (1)
  1. aThe sum of suspected drugs is higher than the total number of cases, since a single patient could have used multiple drugs