Hello mam
You are 21 years old , so don't think of any chronic disease.
Do you have any stress? Are your symptoms are more during stressful time ?
Do you have family history of
diabetes or hypertension ?
Do you have hairfall ? Sleep disturbance? Wight loss?
Next Steps
need detailed discussion to suggest / direct you toward correct evaluation
Health Tips
you can do basic test like blood
sugar,hemoglobin,blood pressure