Read below about fingernail changes, including causes and common questions. Or get a personalized analysis of your fingernail changes from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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5 Potential Fingernail Changes Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Side - Effect(s) of Chemotherapy

    Unfortunately, chemotherapy has many side-effects, ranging from hair loss to fatigue to nausea. This occurs because the treatment affects not only diseased cells but also healthy cells.

    This is likely to last the duration of your treatment; however, symptoms can be managed with other medications.

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, loss of appetite, arthralgias or myalgias, dizziness, sore throat
    Symptoms that never occur with side-effect(s) of chemotherapy:
    headache resulting from a head injury
    Urgency:
    Primary care doctor
  2. 2.Hypoparathyroidism

    Hypoparathyroidism is disorder in which the parathyroid glands in the neck do not produce enough parathyroid hormone (PTH). The majority of cases are following surgery.

    4-8 weeks if it's not permanent

    Rarity:
    Rare
    Top Symptoms:
    patchy hair loss, skin thickening, fingernail changes, patchy body hair loss
    Urgency:
    Hospital emergency room

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  3. 3.Infective Endocarditis

    The endocardium is the tissue that lines the inside of the heart chambers and the valves of the heart. This lining can become infected with bacteria. If so, small clumps of infectious material can prevent the valves from opening and closing properly, and when the clumps break off they may travel to other parts of the body, potentially causing serious problems.

    2-4 week course of antibiotics.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, abdominal pain (stomach ache), loss of appetite, headache, being severely ill
    Symptoms that always occur with infective endocarditis:
    being severely ill
    Urgency:
    Hospital emergency room
  4. 4.Acute Carbon Monoxide Poisoning

    Carbon monoxide (CO) is a gas that has no odor or color. But it is very dangerous. It can cause sudden illness and death. CO is found in combustion fumes, such as those made by cars and trucks, lanterns, stoves, gas ranges and heating systems. CO from these fumes can build up in places that don't have a good flow of fresh air. One can be poisoned by breathing them in.

    Indefinite

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, nausea, shortness of breath, vomiting
    Symptoms that never occur with acute carbon monoxide poisoning:
    fever
    Urgency:
    Hospital emergency room
  5. 5.Job Syndrome

    Job syndrome is a genetic (inherited) disease of the immune system. People with this condition tend to have frequent bacterial infections of the lungs (pneumonia). Recurrent skin infections and an inflammatory skin disorder (eczema) are also common in this syndrome. This disease can also affect other parts of the body, including the bones, teeth, and the spine.

    Chronic condition.

    Rarity:
    Rare
    Top Symptoms:
    constant skin changes, itchy rash, neck skin changes, groin skin changes, skin changes on armpit
    Symptoms that always occur with job syndrome:
    cheek skin changes, crusty rash, itchy rash, scalp skin changes, pus-filled rash, constant skin changes
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Fingernail Changes

  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Any fever today or during the last week?
  • Q.Do you currently smoke?
  • Q.Have you ever been diagnosed with diabetes?

If you've answered yes to one or more of these questions, try our fingernail changes symptom checker to find out more.

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Fingernail Changes Symptom Checker Statistics

  • People who have experienced fingernail changes have also experienced:

    • 5% Fatigue
    • 3% Hair Loss
    • 2% Red Marks Under Nails
  • People who have experienced fingernail changes were most often matched with:

    • 16% Hypoparathyroidism
    • 1% Infective Endocarditis
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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