Poisoning is an adverse effect from a biochemical that has been taken in extreme amounts. The body is able to tolerate and in some circumstances detoxify a certain dose of a chemical however, dangerous threshold is surpassed, toxicity results. Poisoning can produce minor local effects that can be treated readily in the outpatient setting or systemic life-threatening effects that require intensive medical intervention. Clinical toxicology is concerned with disease caused by or uniquely associated with toxic substances, physicians, special training in emergency medicine and poison management.
Forensic toxicology refers to the practice of toxicology for the purposes of the law. It is considered a hybrid of analytical chemistry and fundamental toxicology. The efforts or activities lead to effectuate this purpose but are not limited to the Urine testing to detect drug use, Regulatory toxicology, Occupational disease, Identification of causative agents causing death or injury in individuals and animals, Courtroom testimony and consultation regarding toxicoses forensic toxicology deals primarily with sudden or unexpected death, the range of potential toxicants is tremendously huge. The analyst does not usually begin inspection of the samples until all initial studies are complete, including autopsy and microscopic examination of all tissues.