See a good doctor. If the "weird" symptoms are just amusing or a curiosity to you, then you need do nothing. If however, they are significantly troublesome or disabling, you need to be evaluated by a physician. (that's what we do.).
Panic. Sudden intense fear/apprehension lasting minutes to hours, accompanied by fast heart rate, sweating, shaking, shortness of breath, chest pains, nausea or abdominal distress, feeling dizzy or lightheaded or faint, chills, numbness/tingling, fear of dying or losing control or going crazy, or any combination of those symptoms.