Toxicology screen

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Blood test

Barbiturates - screen; Benzodiazepines - screen; Amphetamines - screen; Analgesics - screen; Antidepressants - screen; Narcotics - screen; Methanol - screen; Phenothiazines - screen; Isopropanol (rubbing alcohol) - screen; Drug abuse screen; Blood alcohol test

The risks associated with having blood drawn are:

• excessive bleeding
• fainting or feeling lightheaded
• hematoma (blood accumulating under the skin)
• infection (a slight risk any time the skin is broken)
• multiple punctures to locate veins

Commonly found substances on a toxicology screen include:

• alcohol (ethanol) -- "drinking" alcohol (see Alcohol and diet)
• amphetamines
• benzodiazepines
• antidepressants
• barbiturates and hypnotics
• isopropanol -- isopropyl alcohol, rubbing alcohol (toxic) (see isopropanol overdose)
• methanol -- methyl alcohol, found in antifreeze and other substances (toxic)
• narcotics
• non-narcotic analgesics
  • acetaminophen - oral
  • anti-inflammatory analgesics - oral
• phenothiazines (antipsychotic or tranquilizing medications)
• prescription medications, any type

Review Date: 03/02/2006
Reviewed By: Daniel R. Alexander, M.D., Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.