Terms related to Fatigue and Tiredness:
Beat Drowsiness Exhaustion Feeling Tired Lack Of Energy Lethargy Sleepy Tiredness Weariness Wiped Out
Tiredness is not a symptom that defines any one particular disease. Rather, tiredness can be a symptom of many different diseases and conditions. Causes of tiredness range from lack of sleep and over exercise to medical and surgical treatments. The lack of energy associated with tiredness can sometimes cause difficulty with normal daily activities, leading to problems with attentiveness and concentration.

Fatigue, in medical terminology, refers to the state of reduced capacity for work or accomplishment following a period of mental or physical activity. For example, muscles fatigue if the are called upon to repetitively work for an extended period. Most of the causes of tiredness are also associated with fatigue.

Causes of Fatigue and Tiredness
Addison
s Disease
Anemia
Cancer
Cat Scratch Disease
Chronic Fatigue Syndrome
Congestive Heart Failure
Dehydration
Depression
Fibromyalgia
Human Immunodeficiency Virus
Jet Lag
Kidney Failure
Lupus
Multiple Sclerosis
Myasthenia Gravis
Stress
Tuberculosis
Vasculitis
Other Causes of Fatigue and Tiredness
Chemotherapy
EBV infection
Exercise
Fibromyalgia
Hormone Imbalance (Menopause, Thyroid Disease, etc.)
Infections (Bacteria, Fungus, Parasites, Viruses)
Inflammatory Arthritis (Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, etc.) Liver Disease
Medications (both Prescription and Non-prescription)
Muscle Disease
Nausea or Vomiting
Pain (Headache, Injury, etc.)
Radiation Therapy
Sleep Deficiency
Surgery
Trauma Injury