Constant negative thoughts, feeling low all the time, difficulty concentrating, irritation, restlessness etc are all symptoms of depression. Depression is a illness like any other and can be successfully treated with medication and therapy. Many psychiatristw offer online consultation which is at a very reasonable rate and also convenient for you. Please seek treatment soon to help you come out of this phase and help you achieve your goals in life.
Next Steps
Consult a psychiatrist either online or in person for a detailed evaluation