The former MAFS bride, who appeared in seasons six and seven of the hit series, already shares a daughter with her husband Alex Vega.
The 32-year-old took to her social media on Monday to share gruesome photos of her right eye swollen shut.
After first believing the problem was conjunctivitis, Lizzie said she was alarmed to learn from doctors her eyelid was infected by cold sores.
After first believing the problem was conjunctivitis, Lizzie said she was alarmed to learn from doctors her eyelid was infected by cold sores.
Pictured: Lizzie with husband Alex] A viral infection, a cold sore in the eye is known as 'eye herpes' or 'ocular herpes' (herpes simplex virus-1, HSV-1).