9. You start losing weight unexpectedly.
In its later stages, untreated HIV causes what’s known as wasting, or loss of fat and muscle mass, because the virus causes you to lose your appetite and prevents your body from absorbing nutrients, says Horberg.
While the exact amount you’ll shed varies, it’s noticeable and often happens over a long period of time. “Often your friends and loved ones will comment that you’re wasting away,” says Horberg. “Typically, it doesn’t happen in patients who have been treated well with modern medicines.”
