- Male
- 18 Years
- 22/01/2025
I'm noticing a thin black line on the nail of my right thumb, and it seems to be permanent. It's been there for a while, grows with the nail, and isn't just a stain or mark that can be washed off. I recently came across some information online suggesting it might be a sign of melanoma, which is a bit worrying. I'm aware that online info can sometimes be exaggerated, but I want to be sure there's nothing serious going on. Could this be a cause for concern?
Answered by 1 Apollo Doctors
Probable diagnosis is psoriasis,eczema,hypothyroidism,injury,rheumatoid arhritis, melanonychia,Hiv,cancer and anemia etc. vit b12 deficiency .Most causes of black lines do not require treatment..Melanoma is a exception.Treatment of the underlying cause .
Dr. Anshul Suggests...
Consult a Dermatologist
Answered 04/07/2025
0
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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.



