It sounds like you're experiencing some concerning changes with your toenails. Black vertical lines under the nails can sometimes be seen in psoriatic nail disease, but they can also be indicative of other conditions. It's important to consult with a dermatologist to accurately diagnose the cause of these lines. They will Show Full Answer

It sounds like you're experiencing some concerning changes with your toenails. Black vertical lines under the nails can sometimes be seen in psoriatic nail disease, but they can also be indicative of other conditions. It's important to consult with a dermatologist to accurately diagnose the cause of these lines. They will likely examine your nails and possibly take a biopsy to ensure the correct treatment plan. Remember, nail psoriasis and fungal infections can have overlapping symptoms, so professional evaluation is crucial.

 This AI-generated response comes from MyPsoriasisTeam and other selected sources. It is not a substitute for medical advice. Always ask your doctor about specific health concerns.

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