Can extreme anxiety cause your body to ache all over, stiff hands and feet, tingles onextremities, headaches, fatigue, cold feeling, no concentration?

Yes: Anxiety can cause all those symptoms. It tenses muscles, which after awhile can get sore & ache all over. Please see your physician and have a good going-over for general health. You will probably benefit from treatment for your anxiety -- psychotherapy can be very helpful, and there are medications which can be used if needed also. First task is to understand the nature of your symptoms, tho'.

Yes: The more anxiety a person generates, the more the body will revolt and create all types of untoward problems. Please contact your primary care doctor or a psychiatrist for help with this conditon.