HIV and Lactic Acidosis
December 15, 2014
What Is Lactic Acidosis?
Lactic acidosis is a condition caused by the buildup of lactic acid in the blood. The condition is a rare but serious side effect of some HIV medicines.
HIV medicines in the nucleoside reverse transcriptase inhibitor (NRTI) drug class can cause the body to produce too much lactic acid. NRTIs can also damage the liver so that it can't break down lactate in the blood.
All medicines in the NRTI drug class have been linked to lactic acidosis, but the link is strongest for the following NRTIs:
If you are taking NRTIs, it's important to know about lactic acidosis. Although lactic acidosis is a rare side effect of NRTIs, the condition can be life-threatening.
Are There Other Risk Factors for Lactic Acidosis?
In addition to use of some HIV medicines, risk factors for lactic acidosis include the following:
What Are the Symptoms of Lactic Acidosis?
Lactic acidosis often develops gradually. Early signs of lactic acidosis can include fatigue, loss of appetite, nausea and vomiting, stomach pain, and weight loss. These symptoms may not seem serious, but they can be the first signs of life-threatening lactic acidosis. If you are taking HIV medicines, always tell your health care provider about any symptoms that you are having -- even symptoms that may not seem serious.
Lactic acidosis can advance rapidly. Signs of dangerously high levels of lactate in blood include:
If you are taking HIV medicines and have any of these symptoms, get medical help immediately.
What Tests Are Used to Detect Lactic Acidosis?
Tests used to diagnose lactic acidosis include:
What Is the Treatment for Lactic Acidosis?
An HIV medicine that is causing lactic acidosis should be discontinued. However, stopping an HIV medicine because of lactic acidosis doesn't mean stopping HIV treatment. There are many HIV medicines to include in an HIV regimen.
But if you are taking HIV medicines, do NOT cut down on, skip, or stop taking your medicines unless your health care provider tells you to.
In the rare cases when lactic acidosis becomes life-threatening, immediate treatment in a hospital is necessary.
How Can I Learn More About Lactic Acidosis?
This fact sheet is based on information from the following sources:
This article was provided by AIDSinfo. Visit the AIDSinfo website to find out more about their activities and publications.
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