Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...
Have you tried therapy and looking for someone specific for PTSD. It is a form of anxiety caused by trauma heance the loss of a loved one.
I would exercise and find a hobby. You need to find something to live for.
If you stay by yourself and dwell on these thoughts it will get worse. You need professional help by a pro and then a daily plan to work on to get better.
Good Luck.