Scared to exercise or do anything cause of dying...no health problems ever. Is it safe to take lexapro (escitalopram). Is this anxiety?

Scared to exercise. Talk to your doctor. Patients who are physically healthy but afraid to exercise, even minimally, for fear of dying may be suffering from an anxiety disorder. You mention that you're afraid to "do anything". When a patients anxiety interferes with their work, health, or relationships, docs then consider it to be a disorder. Talk with your doc about anxiety disorders and the safest treatments for u.