Sometimes the terminology and acronyms can be confusing on websites, so this page lists terms, definitions and abbreviations that might be helpful, as well as links to some of our pages which have more information on the topic.
Azidothymidine or Zidovudine severe disability has been found in infants whose mothers are heroin users or who are infected with HIV, but disabilities may be moderated or less severe if such mothers take the drug, AZT, during pregnancy.