Hello Friend, Good that you are seeking a help here. Memory loss or dizziness are symptoms of Anxiety. As a first level do consult a psychologists to understand the symptoms in details to isolate any emotional issues like stress or anxiety . Even if it's due to stress, it's better to adopt some stress management to avoid any trouble to physically health.
Next Steps
Consult a psychologists directly or online. Feel free to reach out to me online through Practo app chat for further evaluation and recommendation.