There are numerous reasons for fatigue / lethargy. Few of them are as follows
- Dehydration
- Poor nutrition : Low protein intake, low
vitamin B12 or/ and vitamin D3, low iron stores, low folic acid etc
- Allergy
- Sleep apnea
- Prediabetes /
diabetes
- Underactive
thyroid
- Other endocrine disorders
- Chronic infections
- Autoimmune disorder
- Anxiety
Now for each cause the symptoms are different.
Next Steps
- Ensure you get 8 hours of sleep daily
- Start drinking more water
- Eat more of fresh fruits and vegetables
- Add protein to your diet (eg Dals, pulses, milk and its products, non veg etc)
Health Tips
Book a appointment through practo online consult so that I can understand the cause first. That will help in finding solution to your problem