... of extra lactate. Examples include: Liver and kidney diseases Diabetes that isn't controlled Leukemia Mitochondrial disorders that you inherit Using certain medicines or being exposed to certain toxins (poisons) Very strenuous exercise for a long time, such as running a marathon A lactic acid test can help find ... KJ. Lactic Acidosis. [updated 2020, Sep 11; cited 2023 May 12]. In: Medscape: Drugs & Diseases: Endocrinology [Internet]. Atlanta (GA): WebMD LLC; c1994-2023. ...