Yes, lupus can affect your nails, making them brittle. Lupus-related inflammation and immune responses can cause nail changes like ridges, splitting, or discoloration. Additionally, medications for lupus may increase the risk of fungal infections, which can also lead to brittle nails. Taking steps like moisturizing, eating Show Full Answer
Taking collagen supplements can help strengthen both nails and hair. I don't know if lupus can affect the fingernails but some medications can do this, such as corticosteroids, which is why my doctor recommended that I try collagen supplements. My nails have improved tremendously.
I have good and bad days with my nails