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Welcome to Consultox - consulting toxicologist where you will find an outline of the many areas in which Dr. Richard A. Parent can provide you with the support to pursue your endeavors. Although Dr. Parentís activities as a toxicology consultant cover a wide variety of topics including toxicology consultants, product safety, expert witness toxicology, experimental design, CRO identification and product registration activities, they all are intimately related to the discipline of toxicology.

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Dr. Richard A. Parent

Dr. Parent is qualified to help you with various projects as he is certified toxicology consultant by the American Board of Toxicology and the Academy of Toxicological Sciences.

With over 35 years of experience as toxicology consultant and chemistry, Dr. Parent offers expertise in pre-clinical toxicology studies, product safety issues, generic drug impurities, IND/NDA/BLA submissions and legal matters relating to causation.

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Dr. Richard Parent has testified as an expert witness toxicologist in courts in the United States and Canada numerous times and has given over 120 depositions working for both plaintiff and defense. Case subjects include dram shop, diacetyl (popcorn lung), wrongful death related to methadone, prescription drugs and illicit drugs, as well as personal injury cases involving ozone, carbon monoxide, benzene, 1,4-dioxane, alcohol, and arsenic, among others. Dr. Parent has lectured on the requirements for the establishment of causation using the Hill Criteria and the structuring of expert reports, some of which are included on this website.


Dr. Richard Parent has aided clients in areas of product safety relating to toys, cosmetics, household products, pesticides, OTC drugs, art supplies, and food additives. He has worked with appropriate agencies to meet requirements for labeling and warnings as well as creating material safety data sheets (MSDS) for various industrial products, and has consulted with companies on risk assessment for occupational situations where potentially hazardous substances are involved.

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