Have a symptom?
See what questions
a doctor would ask.

Extreme fatigue

Extreme fatigue: Introduction

Extreme fatigue: A condition characterized by extreme tiredness. See detailed information below for a list of 105 causes of Extreme fatigue, Symptom Checker, including diseases and drug side effect causes.

» Review Causes of Extreme fatigue: Causes | Symptom Checker »

Home Diagnostic Testing and Extreme fatigue

Home medical tests possibly related to Extreme fatigue:

Causes of Types of Extreme fatigue:

Review causes of types of Extreme fatigue in more specific categories:

Extreme fatigue: Symptom Checker

Listed below are some combinations of symptoms associated with Extreme fatigue, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

Symptom Checker

Symptom Checker

Extreme fatigue Treatments

Review further information on Extreme fatigue Treatments.

Stories from Users for Extreme fatigue

Real-life user stories relating to Extreme fatigue:

Extreme fatigue: Animations

Drug interactions causing Extreme fatigue:

When combined, certain drugs, medications, substances or toxins may react causing Extreme fatigue as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

Extreme fatigue: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Extreme fatigue may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Research the causes of related medical symptoms such as:

Causes of Similar Symptoms to Extreme fatigue

Research the causes of these symptoms that are similar to, or related to, the symptom Extreme fatigue:

Extreme fatigue: Deaths

Read more about causes and Extreme fatigue deaths.

Misdiagnosis and Extreme fatigue

Unnecessary hysterectomies due to undiagnosed bleeding disorder in women: The bleeding disorder called Von Willebrand's disease is quite common in women, but often fails to be correctly diagnosed. Women with the condition tend to have heavy periods, more »

Cluster of diseases with difficult diagnosis issues: There is a well-known list of medical conditions that are all somewhat difficult to diagnose, and all can present in a variety of different severities. more »

RLS sleep disorder causing night-time leg sensations often misdiagnosed: A common but relatively unknown sleep-related disorder called Restless Leg Syndrome (RLS) is often misdiagnosed. The typical symptoms are night-time tingling, crawling, more »

Pituitary conditions often undiagnosed cause of symptoms: There are a variety of symptoms that can be caused by a pituitary disorder (see symptoms of pituitary disorders). For example, fatigue, headache, weight gain, more »

Vitamin B12 deficiency under-diagnosed: The condition of Vitamin B12 deficiency is a possible misdiagnosis of various conditions, such as multiple sclerosis (see symptoms of multiple sclerosis). See symptoms of Vitamin more »

Extreme fatigue: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Extreme fatigue: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Detailed list of causes of Extreme fatigue

The list below shows some of the causes of Extreme fatigue mentioned in various sources:

How Common are these Causes of Extreme fatigue?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Extreme fatigue. Of the 105 causes of Extreme fatigue that we have listed, we have the following prevalence/incidence information:

  • 5 causes are "very common" diseases
  • 5 causes are "common" diseases
  • 2 causes are "uncommon" diseases
  • 1 causes are "rare" diseases
  • 2 causes are "very rare" diseases
  • 98 causes have no prevalence information.

Conditions listing medical symptoms: Extreme fatigue:

The following list of conditions have 'Extreme fatigue' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Extreme fatigue or choose View All.

View All A B C D E H I L M N O P R S T W






  • Lupus ... extreme fatigue





Join in at the forums

Ask or answer a question about symptoms or diseases at one of our free interactive user forums.

Medical story forums: If you have a medical story then we want to hear it.

See a list of all the medical forums

Causes of Extreme fatigue Based on Risk Factors

This information shows analysis of the list of causes of Extreme fatigue based on whether certain risk factors apply to the patient:

  • Travel - has the patient travelled recently?
  • Diabetes - history of diabetes or family history of diabetes?

    Classifications of Extreme fatigue:

    Medical Conditions associated with Extreme fatigue:

    Fatigue (3235 causes), Muscle weakness (4300 causes), Common symptoms (8589 causes), Sick (5751 causes), Fatigue symptoms (3235 causes), Energy symptoms (3108 causes), Pain (6458 causes), Movement symptoms (6001 causes), Weakness (3752 causes), Sensations (6520 causes), Brain symptoms (2787 causes), Neurological symptoms (9575 causes), Sensory symptoms (7134 causes), Muscle symptoms (7251 causes), Nerve symptoms (9132 causes), Musculoskeletal symptoms (6264 causes), Body symptoms (5672 causes), Head symptoms (10192 causes)

    Symptoms related to Extreme fatigue:

    Fatigue (3235 causes), Chronic fatigue syndrome (3 causes), Muscle weakness (4300 causes), Tiredness (669 causes), Sleepiness (1139 causes), Muscle strain (8 causes), Hypoglycemia (284 causes), Diabetes mellitus (66 causes), Heart failure (274 causes), Respiratory diseases, Respiratory distress (241 causes), Dyspnea (2922 causes)

    Medical articles on signs and symptoms:

    Doctor-patient articles related to symptoms and diagnosis:

    These general medical articles may be of interest:

    Medical News summaries about Extreme fatigue

    Our news pages contain the following medical news summaries about Extreme fatigue and many other medical conditions:

    Evidence Based Medicine Research for Extreme fatigue

    Medical research papers related to Extreme fatigue include:

    Research More Evidence-Based Medicine at

    More Ways To Research Medical Signs and Symptoms:


    By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

    Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise