Lactic acidosis is a recently recognized side effect now believed to be associated with the nucleoside analogue drugs (AZT, ddI, d4T, 3TC, and abacavir). Several recent studies suggest that people on ddI and d4T may be more likely to develop this side effect. In early stages of lactic acidosis, people sometimes experience a shortness of breath, nausea, vomiting, and a pain in the gut. If any of these symptoms occur, contact your doctor as soon as possible. For more information on lactic acidosis, see Project Inform's Mitochondrial Damage and Lactic Acidosis.
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