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Toxicology

A toxicology test, or “tox screen,” checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, inhaled, injected, or absorbed through the skin or a mucous membrane. In rare cases, a tox screen may check your stomach contents or sweat.

This test may be done to:

  • Find out if a drug overdose may be causing life-threatening symptoms, unconsciousness, or strange behavior. It is usually done within 4 days after a drug may have been taken.
  • Check for drug use in the workplace. Testing is common for people who work in public safety, such as bus drivers or child care workers. Some jobs require a tox screen as part of the hiring process.
  • Check for drug use in students involved in extracurricular activities, such as sports and cheerleading.
  • Look for the use of drugs that enhance athletic ability.

This information was found via WebMD, to read the full article, please click here.