The anxiety and fear sounds very intense. It must be so exhausting and unsettling for you.
Do practice some breathing exercises to manage your symptoms. For overthinking a psychotherapist will be able to help you the best.
Next Steps
Please use Practo to find a qualified and experienced Psychologist near you
You can also consult someone online if that is comfortable for you
Health Tips
Do not self read about any symptoms or treatment by yourself, seek consultation from professionals. Half knowledge is dangerous. Ask as many questions as you like to your doctor and your therapist.