Retrovir is a brand name for the medication zidovudine, which is used to treat HIV infection. Despite being a widely used medication, some people may prefer to use different synonyms for Retrovir. Other names that can be used to refer to Retrovir include azidothymidine, AZT, and zidovudine. These alternative names can be particularly helpful for individuals who may find it difficult to pronounce or remember the brand name. It is important to note that different brands of zidovudine may have different names depending on the manufacturer, which is why it is important to speak with a healthcare provider to ensure that the correct medication is being used.