Read below about abnormally small head, including causes and common questions. Or get a personalized analysis of your abnormally small head 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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3 Potential Abnormally Small Head 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.Fetal Alcohol Syndrome

    Fetal alcohol syndrome (FAS) is one of a group of conditions, called fetal alcohol spectrum disorders, that children are born with when the mother has been drinking alcohol while pregnant. Alcohol in the mother's blood can pass through the placenta into the womb, and can damage the baby in a variety of ways depending on the part which is developing at the time.

    FAS is a lifelong condition.

    Rarity:
    Uncommon
    Top Symptoms:
    tremor, difficulty with coordination, recent increase in crying, slower than normal growth, mental disability
    Urgency:
    Primary care doctor

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  2. 2.Cri - Du - Chat Syndrome

    Cri du chat syndrome is a group of symptoms that result from missing a piece of chromosome number 5. The syndrome’s name is based on the infant’s cry, which is high-pitched and sounds like a cat.

    Life long

    Rarity:
    Rare
    Top Symptoms:
    increased inconsolable crying, developmental delay, low muscle tone, delayed ability to walk, self-injury
    Symptoms that always occur with cri-du-chat syndrome:
    mental disability, developmental delay
    Urgency:
    Primary care doctor
  3. 3.Fanconi Anemia

    Anemia is the lack of blood cells. Bone marrow is responsible for producing red cells, white cells, and platelets, and sometimes, the bone marrow can not work.

    Uncertain

    Rarity:
    Rare
    Top Symptoms:
    unexplained bruising, skin that is darker than it used to be, slower than normal growth, developmental delay, abnormally small head
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Abnormally Small Head

  • Q.Have you experienced any nausea?
  • Q.Are your eyes bulging like the person in this picture?
  • Q.Did your mother drink alcohol regularly while she was pregnant with you?
  • Q.Which ethnic group do you identify with?

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

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Abnormally Small Head Symptom Checker Statistics

  • People who have experienced abnormally small head have also experienced:

    • 14% Moving Excessively
    • 14% Muscle Stiffness / Rigidity
    • 14% Tendency to Often Break Rules
  • People who have experienced abnormally small head were most often matched with:

    • 83% Fanconi Anemia
  • 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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