Chromium Toxicity Guidelines

Introduction to Chromium Toxicity

Hexavalent chromium [Cr(VI)] is a highly toxic form used in industrial applications, associated with several neurological effects, including dizziness, according to the American College of Occupational and Environmental Medicine 1
The American College of Occupational and Environmental Medicine recommends considering the toxic effects of chromium, particularly in occupational settings, due to its association with neurological symptoms such as dizziness 1

Chromium(VI) induces production of reactive oxygen species (ROS) that damage brain tissue, leading to oxidative stress, and also causes endothelial activation, which may disrupt the blood-brain barrier 2
Inflammatory response triggered by chromium exposure affects neurological function, with the strength of evidence supporting this fact being based on research from Clinical Nutrition 3

Serum chromium levels can be measured but are rarely required in routine practice, according to Clinical Nutrition guidelines, and should be performed when there is clinical suspicion of deficiency or toxicity 3
The National Institute for Occupational Safety and Health and the American Academy of Family Physicians recommend documenting specific chemical exposure, duration, and concentration when evaluating a patient with suspected chromium toxicity 3, 4

Immediate removal from exposure and decontamination measures, including skin and clothing decontamination, are recommended for patients with dizziness and other symptoms of chromium toxicity, with supportive care for specific symptoms, and consider chelation therapy in severe cases, as per Clinical Nutrition guidelines 3
Plasmapheresis has been successfully used in severe cases of chromium toxicity, according to Clinical Nutrition guidelines 3
The American Heart Association recommends removing the individual from exposure, decontaminating skin or clothing, and irrigating eyes with copious amounts of water for at least 15 minutes in cases of chemical exposure 5, 6, 7

Occupational exposure is the most common source of significant chromium toxicity, and workers should receive documentation of chemicals used in their workplace, with high-risk groups including those with renal impairment, children, and the elderly, due to various factors, including renal excretion and vulnerability 3
Regular monitoring of chromium status is not routinely recommended but should be considered when there is clinical suspicion of toxicity, according to Clinical Nutrition guidelines, with the strength of evidence supporting this fact being based on research 3
The European Association for the Study of the Liver and the American Academy of Emergency Medicine recommend that workers receive documentation of chemicals used in their workplace, and suggest using appropriate respiratory protection and personal protective equipment, and ensuring adequate ventilation in areas where chemical exposures may occur 8, 6
The American Academy of Family Physicians recommends helping patients identify and document specific chemical triggers, developing plans to minimize exposure to known triggers, and educating on the importance of treating headache early in its course 4