Extreme tiredness can be caused by stress, illness, poor diet, or lifestyle factors. Deficiencies in vitamin B12 or iron can also contribute. It can lead to negative effects on the body and may be a symptom of more serious conditions. Sleep problems and pregnancy can also cause extreme fatigue. Medical attention may be necessary if the condition persists.
Extreme tiredness is a condition that goes far beyond just feeling tired from time to time. It is often indicative of more serious problems and can interfere with common daily activities. It can occur due to stress or anxiety, an illness or other medical condition, a psychological condition such as depression, or a poor diet. Extreme fatigue can also result from a particular lifestyle or activity. This type of tiredness should not be confused with just tiredness, or a feeling of tiredness or lethargy.
Deficiencies of certain chemicals in the body can lead to extreme fatigue. Vitamin B12, if not present in sufficient amounts in the body, can cause a feeling of extreme tiredness or lethargy. Low iron levels can also cause abnormal fatigue. While vitamin B12 can be obtained over the counter without a prescription, blood tests may be needed to determine if you have an iron deficiency that needs to be treated.
Feelings of fatigue that reach an extreme level can trigger other negative effects on the body. Discourage movement and exercise, which are vital to good health. It can affect interpersonal and work relationships and slow down logical thinking and reasoning. Such tiredness and its side effects can eventually lead to other more serious conditions such as depression or anxiety, which can have negative implications beyond those due to fatigue. If depression or anxiety becomes evident, you should see a doctor right away.
Sleep problems can lead to extreme daytime fatigue. Medical conditions and/or insomnia can prevent a person from sleeping through the night, thereby causing extreme tiredness during waking hours. Sleep problems can be due to stress or anxiety, medical issues, restless legs syndrome, or a variety of other environmental or personal factors. Lack of sleep can not only cause fatigue, it can also lead to more serious health problems.
Other factors that can cause such fatigue are temporary situations. Pregnancy can cause fatigue to extreme levels due to the stresses placed on the human body during this period. Illnesses such as the flu or other viruses can weaken the immune system, thus causing a person to feel fatigued to extreme levels. More serious illnesses, such as heart disease, hyperthyroidism, leukemia and even cancer can be responsible for extreme tiredness. If the condition continues for a long time, you should see a doctor to find out if it is due to a serious problem that needs to be diagnosed.
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