Chronic Fatigue Syndrome Index

Featured: Chronic Fatigue Syndrome (CFS or SEID) Main Article

Chronic fatigue syndrome (CFS) or systemic exertion intolerance disease (SEID) is a debilitating and complex disorder characterized by profound fatigue that lasts six months or longer, is not improved by bed rest, and may be worsened by physical or mental activity.

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    • Pregnancy (Week By Week, Trimesters) Signs and symptoms of pregnancy vary by stage (trimester).  The earliest pregnancy symptom is typically a missed period, but...learn more »
      In This Article
      Pregnancy (Week By Week, Trimesters) Article
      • Pregnancy definition and facts*
      • How many weeks is a normal term pregnancy?
      • What is the first trimester of pregnancy (week 1-week 12)?
      • What is the second trimester of pregnancy (week 13-week 28)?
      • What is the third trimester trimester of pregnancy (week 29-week 40)?
      • How will my baby develop week by week?
      • What are the changes that happen to a woman's body during the 1st, 2nd, and 3rd trimester of her pregnancy?
      • Body aches
      • Breast changes
      • Constipation
      • Dizziness
      • Fatigue, sleep problems
      • Heartburn and indigestion
      • Hemorrhoids during pregnancy
      • Itching
      • Leg cramps
      • Morning sickness
      • Nasal problems
      • Numb or tingling hands
      • Stretch marks, skin changes
      • Swelling
      • Urinary frequency and leaking
      • Varicose veins
    • Abdominal Pain (Causes, Remedies, Treatment) Abdominal pain can have many causes. Some of the less serious causes include bloating, gas, colitis, endometriosis, food...learn more »
    • Headache Headaches can be divided into two categories: primary headaches and secondary headaches. Migraine headaches, tension headaches,...learn more »
      In This Article
      Headache Article
      • Headache definition and facts
      • What is a headache?
      • How are headaches classified?
      • What are primary headaches?
      • What are secondary headaches?
      • What are cranial neuralgias, facial pain, and other headaches?
      • 17 types of headaches
      • What causes headaches?
      • What causes tension headaches?
      • What are the signs and symptoms of tension headaches?
      • How are tension headaches diagnosed?
      • How are tension headaches treated?
      • What causes cluster headaches?
      • What are the symptoms of cluster headaches?
      • How are cluster headaches diagnosed?
      • How are cluster headaches treated?
      • Can cluster headaches be prevented?
      • What diseases cause secondary headaches?
      • How are secondary headaches diagnosed?
      • What are the exams and tests for secondary headaches?
      • When should I seek medical care for a headache?
      • How do you get rid of a headache? Are home remedies effective for headaches?
    • Menopause Menopause is the time in a woman's life when menstrual periods permanently stop, also called the "change of life." Menopause...learn more »
    • Diarrhea Diarrhea is a change is the frequency and looseness of bowel movements. Symptoms associated with diarrhea are cramping, abdominal...learn more »
      In This Article
      Diarrhea Article
      • Diarrhea facts
      • What is diarrhea?
      • What is the definition of diarrhea?
      • What symptoms are associated with diarrhea?
      • What are common causes of acute diarrhea?
      • Traveler's diarrhea
      • Viral gastroenteritis
      • Bacterial enterocolitis
      • Food poisoning
      • Parasites
      • Drugs
      • What are common causes of chronic diarrhea?
      • What kind of a doctor treats diarrhea?
      • When should the doctor be called for diarrhea?
      • How is the cause of diarrhea diagnosed?
      • What home remedies help the symptoms of diarrhea?
      • What medications are used to treat diarrhea?
      • When should antibiotics be used for diarrhea?
      • What are the complications of diarrhea?
      • How can dehydration be prevented and treated?
      • What about treatment of diarrhea in infants and young children?
      • What about treating diarrhea in older children and adults?
    • Infectious Mononucleosis Infectious mononucleosis is a virus infection in which there is an increase of white blood cells that are mononuclear (with a...learn more »
      In This Article
      Infectious Mononucleosis Article
      • Infectious mononucleosis (mono) facts
      • What is infectious mononucleosis?
      • What is the cause of mono?
      • What are the risk factors for mono?
      • How is mono transmitted or spread? What is the incubation period for mono? What is the contagious period for mono?
      • What are the symptoms of mono?
      • What are the signs of mono?
      • What tests do health-care professionals use to diagnose infectious mono?
      • What specialists treat infectious mono?
      • What is the usual course and treatment of mono?
      • What are the complications of mono?
      • What is the prognosis of mono?
      • Is it possible to prevent mono?
      • Conclusion

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Terms related to Chronic Fatigue Syndrome:

  • CFIDS
  • Chronic Fatigue and Immune Dysfunction Syndrome
  • Myalgic Encephalomyelitis
  • Postviral Fatigue Syndrome