Diseases & Conditions


TiredCausesMedicationsPreventionRisk FactorsSymptomsTreatmentTypes

What is Tired?

An individual who is tired feels like they have no strength or energy. The medical term for this sensation is fatigue. It can be caused by many different factors.

Causes of Tiredness or Fatigue

Most individuals feel tired on a regular basis due to over exertion or boredom. Fatigue can also be due to a chemical imbalance or poisoning. Blood loss can lead to fatigue too. Illnesses such as a cold or flu can indicate temporary fatigue. Some major reasons for feeling tired are:

  • Liver Failure
  • Autoimmume disease
  • Heart disease
  • Cancer
  • Neurologic diseases
  • Sleep disorders
  • Depression
  • Endocrine disorders
  • Blood diseases
  • Drug abuse
  • Fibromyalgia
  • Uremia
  • Chronic Fatigue syndrome
  • Eating disorders resulting in nutritional deficiencies.
  • Physical trauma such as a concussion
  • Leukemia
  • Infections like monomucleosis

A person can also be tired due side effects of different medications or cancer treatments.

Medications for Tiredness or Fatigue

The most popular way to fight fatigue for most individuals is that morning cup of coffee. Caffeine is a great way to get rid of that feeling of being tired. It can be found in plenty of over the counter medications as well as in a cup of coffee. Psycho stimulants are another means of decreasing fatigue in individuals who have to take tiring medications for different diseases. These drugs include Dexedrine, Cylert, Adderall, Ritalin, and Metadate.

Prevention of Fatigue

The best way to prevent feeling tired is to recognize and understand physical and mental limitations. In addition, try and maintain a regular sleeping pattern even on weekends. Try to get at least 7 hours of sleep a night. Avoid stimulants before retiring including coffee, cigarettes and alcohol. Try to eat a healthy diet and drink plenty of water. Get regular exercise as this can decrease fatigue. If fatigue is caused by illness or disease speak with a doctor regarding the issue as there are many different way to to overcome the problem.

Risk Factors for Tiredness or Fatigue

Individuals may be prone to fatigue in the following circumstances:

  • Thyroid problems
  • Diabetes
  • Malnutrition
  • Medications
  • Sleep disorders
  • Depression
  • COPD
  • Cirrhosis
  • HIV
  • Allergies
  • Anemia
  • Heart Failure
  • Elderly individuals

Symptoms of Fatigue

There are many different symptoms of feeling tired. These symptoms can be either mental or physical and include:

  • decrease in energy
  • weak feelings
  • trouble concentrating
  • trouble finishing or starting tasks
  • fainting
  • dizziness
  • heart palpitations
  • strong desire to sleep

Treatment of Fatigue

There are several ways to treat being tired and the treatment depends on the cause. It may be as simple as getting a good night's sleep. Or for those with illnessess, the patient may have to learn how to adjust their activity level to prevent from becoming too tired. Conversley, increasing activity via exercise can reduce fatigue. Exercise build up muscles and increases stamina thereby decreasing that feeling of always being tired. Exercise can help both physical and mental fatigue. Stress management techniques can also help those who feel mentally or emotionally tired and include meditation, yoga and other forms of concentration and relaxation.

Types of Tiredness or Fatigue

An individual can feel tired either mentally or physically. Physical fatigue indicates a decrease in muscle strength. Muscle weakness is defined as an individual's inability to exert the force expected given the level of fitness. Mental fatigue can mean the inability to stay awake or the inability to concentrate. Both physical and mental fatigue can be due to medical conditions.