Sentence:  Repeated attempts to withdraw steroids entirely were unsuccessful because increased muscle weakness resulted , as well as fever , malaise , anorexia , <WSD>anxiety</WSD> , and an exacerbation of the anemia . 
Meaning of the word marked with <WSD> tags:  (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic