Major depression or Post traumatic stress syndrome

Patient: I have been severely depressed since losing my brother and dad 11 weeks apart around the holidays nov 2013 and jan 2014. it has become worse over the last three months, i have a severe lack of interest in work, daily activities, and always feel as a dark cloud is over me, what type of help would be best to get me feeling well again fast

Symptoms: Depression, major

Doctor: