MyLupusTeam

Has anyone experienced black or brown lines in their fingernails, and could lupus be the cause?

Yes, lupus can cause black or brown lines in your fingernails. This discoloration is called melanonychia, and it may appear purple, brown, or gray depending on your skin tone.

Several MyLupusTeam members have shared similar Show Full Answer

Has anyone experienced black or brown lines in their fingernails, and could lupus be the cause?

Yes, lupus can cause black or brown lines in your fingernails. This discoloration is called melanonychia, and it may appear purple, brown, or gray depending on your skin tone.

Several MyLupusTeam members have shared similar experiences. One member noticed their fingernails were "turning a dark color near the tips and have developed horizontal ridges."

Why this happens:

Lupus-related nail changes likely occur due to inflammation and how your immune system reacts to the condition. Lupus lesions around the nail fold (where the nail grows from your finger) can be a source of many nail problems, including discoloration.

Additionally, some lupus medications can cause nail discoloration, including:
- Hydroxychloroquine (Plaquenil)
- Azathioprine
- Methotrexate
- Corticosteroids

It's important to talk with your rheumatologist or dermatologist about this new symptom. They can determine if it's lupus-related or if another cause needs to be ruled out, and recommend appropriate treatment if needed.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

What Do Lupus Fingernails Look Like? Ridges, Redness, and More