Fatigue

What is fatigue?

Fatigue or tiredness is a common feeling of exhaustion, lack of energy, sleepiness, or tiredness that can be both short-lived or a more continual state caused by various factors.

What causes fatigue?

There are many causes of fatigue, including both medical and lifestyle factors:

Medical Causes

• Anemia - Low iron levels


• Hormonal imbalances


• Infections (viral, bacterial, parasitic)


• Allergies, asthma


• Heart disease, hypertension


• Diabetes, blood sugar issues


• Autoimmune disorders

Lifestyle Causes

• Poor diet, vitamin deficiencies


• Lack of exercise


• Dehydration


• Insufficient quality sleep


• Lack of good work-life balance - High stress, overworked


• Excess alcohol


• Pregnancy

The most frequent causes tend to be related to lifestyle factors like poor sleep habits, stress, poor nutrition, overwork, lack of exercise, etc. However, there are times when fatigue warrants medical evaluation to check for underlying issues.

How is fatigue diagnosed?

If fatigue becomes severe or persistent, it's a good idea to visit your doctor. They will typically perform:

• Medical history - Discuss symptoms, changes, timeline, other conditions, family history


• Physical exam - Check vital signs, reflexes, muscle strength


• Blood tests - Check for anemia, infections, diabetes


• Further testing if warranted - Additional imaging, cardiac testing, etc.

In summary, common causes of fatigue include lifestyle stressors as well as underlying medical issues like anemia and hormonal disorders. Getting enough sleep, reducing stress, eating healthy and staying active can help boost low energy in many instances. If fatigue becomes severe or persistent, there may be an underlying issue that requires diagnosis and direction treatment. Discuss your symptoms with your health provider to identify any associated conditions. With the right modifications and treatments, people find they can regain their energy, vitality and zest for life.