Hello Friend, Good that you are seeking a help here. BP is not always liked to physical conditions. Sometimes emotional disturbance like stress can act on BP.
Better analyze your self on your mental stability recently. If you are going through any Job, career, relationships related issues, possibly Stress could be a reason for such symptom.
Take a professional help if you need further assistance
Next Steps
Consult a psychologists directly or online. Feel free to reach out to me online through Practo.