Suggest Treatment For Weakness, Lack Of Appetite And Sleep Problems

dear dr. I am 57 years old and suffeering from the following symptoms: tiredness, lack of appetite, sleep problems (either too much or too little. I am also demotivated and hate my work. I've been doing the same work now for 39 years. I think I am burn out. where does one go to seek Help? I do not want to consult a Psychiatrist because they only prescribe medicines that make you duh. How does one choose a psychologist or some one like that if it is burn out that I am suffering from. I am fairly healthy and don't have high blood presure or diabetes. I did looked for that. Thank you for your advice. Sick and tired