Cough, Cold, and Allergy Preparation Toxicity Differential Diagnoses

Updated: May 11, 2022
  • Author: Laleh Gharahbaghian, MD, FACEP, FAAEM; Chief Editor: Stephen L Thornton, MD  more...
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Diagnostic Considerations

Other problems to be considered, in patients with altered mental status, include the following:

  • Trauma
  • Tumor
  • Intussusception
  • Shock
  • Alcohol or drug abuse
  • Epilepsy
  • Encephalopathy
  • Inborn errors of metabolism
  • Opiate toxicity
  • Uremia
  • Subdural or arachnoid hemorrhage
  • Conditions to consider in patients with psychosis include the following:
  • Psychiatric (eg, schizophrenia, mania)
  • Drug-induced (eg, amphetamines, hallucinogens)
  • Withdrawal states (eg, alcohol, barbiturates)
  • Cerebrovascular
  • Endocrine (eg, hyperthyroidism)
  • Hypoxia (eg, carbon monoxide toxicity, anemia)
  • Metabolic (eg, encephalopathy, uremia)
  • Neoplastic (eg, glioblastoma)
  • Pyogenic infections (eg, CNS abscess, sepsis)
  • Seizure disorder (eg, postictal psychosis, temporal lobe seizures, febrile seizures, drug-induced seizures)
  • Trauma
  • Viral infections (eg, encephalitis)

Differential Diagnoses