Lactic acidosis
Lactic acidosis refers to lactic acid build up in the bloodstream. Lactic acid is produced when oxygen levels become low in cells within the areas of the body where metabolism takes place or in response to sympathetic overactivity related to epinephrine-type substances or exercise.
Lactic acid
Lactic acid is mainly produced in muscle cells and red blood cells. It forms when the body breaks down carbohydrates to use for energy when oxygen l...
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The most common cause of lactic acidosis is severe medical illness in which blood pressure is low and too little oxygen is reaching the body's tissues. Intense exercise or convulsions can cause temporary lactic acidosis. Certain diseases can also cause the condition, including:
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AIDS
AIDS
Human immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS). When a person becomes infected with HIV, the ...
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- Cancer
- Cirrhosis
- Cyanide poisoning
- Kidney failure
-
Respiratory failure
Respiratory failure
Respiratory acidosis is a condition that occurs when your lungs can’t remove all of the carbon dioxide produced by your body. This causes the blood ...
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Sepsis (severe infection)
Sepsis
Sepsis is an illness in which the body has a severe, inflammatory response to bacteria or other germs.
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Some medicines can rarely cause lactic acidosis:
- Beta adrenergic agonist inhalers used to treat asthma or COPD (albuterol and salmeterol)
- Epinephrine
- Linezolid
- Metformin, used to treat diabetes (most often when overdosed)
- Nucleoside reverse transcriptase inhibitors used to treat HIV infection
- Propofol
Symptoms
Symptoms may include:
- Nausea
- Vomiting
- Weakness
Exams and Tests
Tests may include a blood test to check lactate and electrolyte levels.
Treatment
The main treatment for lactic acidosis is to correct the medical problem that causes the condition.
References
McCoin NS, Self WH. Acid-base disorders. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 113.
Palmer BF. Metabolic acidosis. In: Feehally J, Floege J, Tonelli M, Johnson RJ, eds. Comprehensive Clinical Nephrology. 6th ed. Philadelphia, PA: Elsevier; 2019:chap 12.
Seifter JL. Acid-base disorders. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 110.
Review Date: 10/25/2022
Reviewed By: Frank D. Brodkey, MD, FCCM, Associate Professor, Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.