Red Lines Under the Nails

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Medically Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD

Dermatology

From our team of 50+ doctors

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  • Linear bleeding under nails

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Content updated on Sep 6, 2022

About the symptom

It is refer to a condition when person is suspected to have splinter bleeding, which are tiny blood spots that appear underneath the nail

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Vertical bleeding or red lines under the nails

Possible causes

  • Psoriasis (except for pustular psoriasis)

    A skin disease caused by the immune system attacking skin cells, thought to be genetic as well as triggered by other things such as environment, illnesses and stress.

  • Tinea / tinea unguium

    Also known as "athlete's foot". It is caused by a fungal infection of the feet.

  • Vasculitis syndrome (including cryoglobulinemia)

    A condition where the body's immune system attacks blood vessels throughout the body, causing inflammation. There are many different types of vasculitis, each with its own triggers including infection, new medications, and cancers.

Related serious diseases

  • Infective endocarditis

    Infectious endocarditis (IE) is an infection of the heart muscle's inner lining (endocardium) caused by bacteria, fungus, or germs that enter the bloodstream.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have vertical bleeding or red lines under your nails?

  • Do you have itchy skin?

  • Do you have any pain or tingling in the affected areas of the skin?

  • Do you have skin redness?

  • Do you have a fever?

Other Related Symptoms

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Medically Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD

Dermatology

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Developed by doctors.

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