Cough, Cold, and Allergy Preparation Toxicity Differential Diagnoses

Updated: Oct 07, 2019
  • 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