According to your sign and symptom you have iron Deficiency, weakness and lethargy .
You have some Infection in the body so you should do test as CBC ESR
CRPLFT KFT
Lipid Profile And
Thyroid profile and
Vitamin B12 and
Vitamin D and Typhidot IgG and IG M.
Next Steps
Please take consultation for better evaluation and best Treatment as it need complete history of you.
Health Tips
Please follow good life style as
take plenty of fluid and
take less spicy and fatty foods and
take protein containing food and
do breathing exercise regularly and
Do yoga and meditation and
keep positive attitude to fight any disease and any problem of your life