Read below about unintentional weight loss, including causes and common questions. Or get a personalized analysis of your unintentional weight loss 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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A.I. Health Assistant Causes for Unintentional Weight Loss

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced unintentional weight loss. This list does not constitute medical advice.

  1. 1.Overactive Thyroid

    The thyroid is a butterfly-shaped gland in the neck, just above your collarbone. It is one of your endocrine glands, which make hormones. Thyroid glands control how fast one burns calories and how fast the heart beats. If the thyroid is too active, it makes more thyroid hormones than the body needs. This is called hyperthyroidism.

    Great prognosis with high remission rates

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, anxiety, depressed mood, irritability, trouble sleeping
    Urgency:
    Primary care doctor
  2. 2.Tuberculosis

    Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium tuberculosis, which most commonly affects the lungs, although it can also affect other organs in the body. The bacteria can lie dormant in the body for a long time (even years), until they start causing symptoms such as cough, fever, loss of appetite, and night sweats.

    >6 months treatment with antibiotics.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, cough, shortness of breath, rib pain, dry cough
    Urgency:
    In-person visit
  3. 3.Chronic Obstructive Pulmonary Disease (Copd)

    COPD (chronic obstructive pulmonary disease) is a chronic condition of the lungs and the airways in the lungs. Damage has occured due to long-term exposure to substances that irritate and damage the lungs, such as cigarette smoke or air pollution. This damage can cause symptoms like shortness of breath, decreased exercise tolerance and cough. A common cold or other types of infection can cause symptoms to worden acutely, this is called an exacerbation.

    Often a lifelong condition

    Rarity:
    Common
    Top Symptoms:
    fatigue, cough and dyspnea related to smoking, cough, shortness of breath, trouble sleeping
    Symptoms that always occur with chronic obstructive pulmonary disease (copd):
    cough and dyspnea related to smoking
    Symptoms that never occur with chronic obstructive pulmonary disease (copd):
    rectal bleeding
    Urgency:
    Primary care doctor
  4. 4.Hodgkin's Lymphoma

    Hodgkin lymphoma is a cancer of the lymphatic system, which is part of the immune system. Cells in the lymph nodes grow abnormally and may spread beyond the lymphatic system.

    Curable but survival rates are variable

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, abdominal pain (stomach ache), shortness of breath, fever
    Symptoms that never occur with hodgkin's lymphoma:
    pulsing armpit mass, armpit lump that comes and goes, shrinking armpit lump, pink or red armpit bump, black or brown armpit bump, yellow or white armpit bump, bleeding armpit bump, armpit bump leaking yellow or milky fluid, armpit bump leaking clear fluid, scabbed armpit bump, scaly armpit bump, neck lump that comes and goes, shrinking neck bump, pink or red neck bump, black or brown neck bump, yellow or white neck bump, bleeding bump, bump leaking clear fluid, neck bump leaking yellow/milky fluid, scabbed bump, scaly neck bump, pulsing chest mass, chest lump that comes and goes, shrinking chest bump, pink or red chest bump, black or brown mass on chest, yellow or white chest bump, blue bump on the chest, bleeding chest bump, chest bump leaking clear fluid, chest bump leaking yellow/milky fluid, scabbed chest bump, scaly chest bump, pulsing groin mass, groin lump that comes and goes, shrinking groin lump, pink or red groin bump, black or brown groin bump, yellow or white groin bump, inflamed groin bump, scaly groin bump, bleeding groin bump, groin bump producing clear fluid, groin bump producing yellow or milky fluid
    Urgency:
    Primary care doctor
  5. 5.Non - Hodgkin Lymphoma

    Non-Hodgkin lymphoma is a cancer of the lymphatic system, which is part of the immune system. Cells in the lymph nodes or bone marrow grow abnormally and may spread beyond the lymphatic system.

    Curable but survival rates are variable depending on the subtype.

    Rarity:
    Ultra rare
    Top Symptoms:
    fatigue, loss of appetite, abdominal pain (stomach ache), fever, shortness of breath
    Symptoms that never occur with non-hodgkin lymphoma:
    neck lump that comes and goes, shrinking neck bump, armpit lump that comes and goes, shrinking armpit lump, groin lump that comes and goes, shrinking groin lump
    Urgency:
    Primary care doctor

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  6. 6.Acute Lymphoblastic Leukemia

    Acute Lymphoblastic Leukemia (ALL) is a cancer of the white blood cells. This disease most commonly affects children between the ages of 2-5 years, and is a much more rare disease in adults. People with this disease get sick very rapidly. First, they feel fatigue and dizziness, and eventually the disease leads to bone marrow failure.

    Prognosis is highly variable and dependent on the individual, so a consultation from an oncologist is required.

    Rarity:
    Ultra rare
    Top Symptoms:
    fatigue, loss of appetite, shortness of breath, fever, severe fatigue
    Symptoms that never occur with acute lymphoblastic leukemia:
    inflamed throat
    Urgency:
    In-person visit
  7. 7.Chronic Myeloid Leukemia (Cml)

    Chronic Myeloid Leukemia (CML) is a cancer of the white blood cells, which are cells that help fight disease. The disease has broad symptoms such as fever, fatigue, weakness, and pain in the left upper part of the abdomen.

    The prognosis is improved for those receiving medication such as imatinib, and 9 out of 10 people survive up to 5 years, according to a recent study. Consult with an oncologist.

    Rarity:
    Ultra rare
    Top Symptoms:
    fatigue, stomach bloating, shortness of breath, unintentional weight loss, feeling of fullness early in a meal
    Urgency:
    Primary care doctor
  8. 8.Depression

    Depression is a mental disorder in which a person feels constantly sad, hopeless, discouraged, and loses interest in activities and life on more days than not. These symptoms interfere with daily life, work, and friendships.

    Depression's course is highly variable, and it may last weeks, months, or years.

    Rarity:
    Common
    Top Symptoms:
    fatigue, depressed mood, headache, anxiety, irritability
    Symptoms that always occur with depression:
    depressed mood
    Urgency:
    Primary care doctor
  9. 9.Mild Chronic Depression (Dysthymia)

    Dysthymia, also called persistent depressive disorder, is a form of depression that is chronic. The causes of dysthymia are complex, and often are a combination of biological, genetic, and environmental factors. Dysthymia can interfere with everyday life, and people with this condition report feeling loss of interest in their daily activities, sadness, hopelessness, and a lack of energy.

    Dysthymia can last indefinitely.

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, depressed mood, irritability, difficulty concentrating, impaired social or occupational functioning
    Symptoms that always occur with mild chronic depression (dysthymia):
    depressed mood
    Symptoms that never occur with mild chronic depression (dysthymia):
    severe sadness
    Urgency:
    Primary care doctor
  10. 10.Bipolar Disorder Ii

    Bipolar Disorder II is similar to Bipolar disorder I, except that the patient experiences hypomanic episodes rather than manic episodes. A hypomanic epsiode includes the same symptoms as a manic episode except that it does not impair social or occupational functioning.

    Indefinite

    Rarity:
    Common
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Unintentional Weight Loss

  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Have you lost your appetite recently?
  • Q.Do you currently smoke?
  • Q.Any fever today or during the last week?

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

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Unintentional Weight Loss Symptom Checker Statistics

  • People who have experienced unintentional weight loss have also experienced:

    • 7% Fatigue
    • 6% Loss of Appetite
    • 5% Nausea
  • People who have experienced unintentional weight loss had symptoms persist for:

    • 69% Over a Month
    • 12% Two Weeks to a Month
    • 7% One to Two Weeks
  • People who have experienced unintentional weight loss were most often matched with:

    • 45% Tuberculosis
    • 27% Overactive Thyroid
    • 27% Chronic Obstructive Pulmonary Disease (Copd)
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

A.I. Health Assistant

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