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Symptoms » Head symptoms » Common Causes
 

Common causes of Head symptoms

Introduction:

This information shows the various causes of Head symptoms, and how common these diseases or conditions are in the general population. This is not a direct indication as to how commonly these diseases are the actual cause of Head symptoms, but gives a relative idea as to how frequent these diseases are seen overall.

  • 64 diseases that are "very common".
  • 67 diseases that are "common".
  • 37 diseases that are "uncommon".
  • 49 diseases that are "rare".
  • 155 diseases that are "very rare".
  • 9955 diseases without any prevalence information.

    Causes of Head symptoms that are very common

    The following causes of Head symptoms are diseases or medical conditions that affect more than 10 million people in the USA:

    Causes of Head symptoms that are common

    The following causes of Head symptoms are diseases or conditions that affect more than 1 million people in the USA:

    Causes of Head symptoms that are uncommon

    The following causes of Head symptoms are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA:

    Causes of Head symptoms that are rare

    The offical US government definition of a "rare" disease is one that affects 200,000 people or less. The following causes of Head symptoms appear in the population at a rate of less than 200,000 people per year in the USA:

    Causes of Head symptoms that are very rare

    The following causes of Head symptoms appear in the population at a rate of substantially less than 200,000 people per year in the USA:

    Causes of Head symptoms without any prevalence information

    The following causes of Head symptoms are ones for which we do not have any prevalence information.