There can be many possible reasons for the symptoms that you mention. Some of them may include:
2. nutritional disorders
3. hormonal imbalances
4. fluid and body salt deficiencies
5. low grade infections
The symptoms you mention could also be due to low iron or low thyroid
levels. You could get a thyroid function test and hormone levels to rule out a adrenal dysfunction.
Anemia is caused by low levels of iron in blood. There are also many other causes of anemia. If you have pale skin and nails which are not pink in color, you may have anemia
Nutritional disorders include, vitamin and mineral deficeincies,and most of them can be taken care of with a balanced diet and taking supplements if required.
Hormonal imbalances particularly thyroid ds - which would need to be investigated further and is treatable once diagnosed.
Fluid and salt disturbances would respond to taking at least 1.5 to 2 litres of water everyday and adequate salt and sugars in your daily diet.
Low grade infections of blood or intestines would present with mild weakness. It may help to take a de-worming course - which is a single tablet.
Avoid stress and take some over the counter pain relief medications - your symptoms should subside.
It would help to get an ECHO done.
I have tried to give an extensive answer, however please let me know if you need any other information.
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