A nurse is collecting data from a client who reports cessation of nicotine use. Which of the following manifestations should the nurse expect? (Select all that apply.)

A. Decreased appetite is incorrect. Nicotine withdrawal commonly causes increased appetite. B. Weight gain is common after nicotine cessation due to increased appetite and metabolic changes. C. Restlessness is a common withdrawal symptom due to increased irritability and anxiety. D. Diarrhea is not a typical manifestation of nicotine withdrawal. E. Difficulty concentrating is a common withdrawal symptom.