Fatigue
Fatigue is a feeling of persistent tiredness or lack of energy. It is common and often linked to sleep, stress or lifestyle, but ongoing fatigue can have many causes worth exploring.
This page is educational and is not a diagnostic tool. It cannot tell you what is causing your symptoms. Always discuss personal symptoms with a qualified healthcare professional.
What It May Mean
- Poor sleep or sleep apnea
- Stress, low mood or anxiety
- Low iron or other nutrient shortfalls
- Underactive thyroid or other conditions
Common Causes
- Inadequate or poor-quality sleep
- Mental and emotional stress
- Nutritional gaps
- Sedentary lifestyle
- Certain medications
Related Symptoms
When It May Need Medical Attention
- Fatigue lasting several weeks without improvement
- Fatigue with unexplained weight loss
- Shortness of breath or chest discomfort
- Fatigue that affects daily functioning
What You Can Track
Symptom Diary
- Sleep hours and quality
- Energy levels across the day
- Activity, meals and stress
- Any other symptoms
Questions to Discuss With a Healthcare Professional
- Could there be an underlying cause?
- Should I have any blood tests?
- Which lifestyle changes may help?
- When should I follow up?
Related Conditions
HealthCareTastic provides educational information and is not a substitute for professional medical advice, diagnosis or treatment.