Hello Louisa and welcome!
Until you and your doctor can come up with a management plan...which usually includes discussion of medication and/or therapy...
...try practicing some coping skills that can help relax the body and mind. :) Here is a link that can get you started. The Progressive Muscle Relaxation and Breathing Exercises are especially helpful for the symptoms you describe...and be sure to see our complete list of helpful material in our Resources at the top of the main forum page!
www.stress-relief-exercises.com/I hope you can find the right plan soon to reach your recovery goals! Keep us posted, and we will be here to keep you in support.:)
Scaredy Cat