She captioned one photo, “Being positive in a negative situation isn't naive, it's leadership on a mission. #DeterminedToFindACure #AffordableForAll #ChronicLymeDiseaseAwareness.”
On the second photo she wrote, “Until you are broken you don't really know what you're made of.”
Foster was diagnosed with Lyme disease three years ago, and suffered a relapse at the end of 2014 which left her unable to read or write. It was also reportedly the reason she didn’t finish filming “The Real Housewives of Beverly Hills” reunion show.
Lyme disease is an infection transmitted to humans through the bite of infected ticks, according to the Centers for Disease Control and Prevention website. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash. If left untreated, infection can spread to joints, the heart, and the nervous system.
To learn more about Lyme disease, visit CDC.gov/lyme.