Hello and welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.
I would like to tell you that blood pressure is ever changing phenomena depending on your physical activity, emotional stress or physiological changes. Normally, His blood pressure is staying low which is a concern and can be due to
dehydration, anemia, cardiac disease, diabetes or hormonal changes like
thyroid disease which requires proper evaluation. It’s recommended for you to get the following tests done:
1. CBC ( for anemia or any infection)
2. Vitamin B-12 ( to check
Nutritional Deficiency )
3. Thyroid profile ( for endocrine culprit of Low BP )
4. ECG,
Echocardiography and Holter ( to rule out any
structural Heart Disease ).
5. RBS and HbA1c ( to rule out diabetes ).
Consult your physician with the reports for further management.
Hope I have answered your query. Let me know if I can assist you further.