Common symptoms include: 1  feeling very tired all the time (fatigue) 2  weight loss. 3  weakness. 4  joint pain. 5  in men, an inability to get or maintain an erection (erectile dysfunction) 6  in women, irregular periods or absent periods.
The main difference between Social Security Disability ( SSD , or SSDI ) and Supplemental Security Income ( SSI ) is the fact that SSD is available to workers who have accumulated a sufficient number of work credits , while SSI disability benefits are available to low-income individuals who have either never worked or who haven't earned enough work ...
Social Security Disability Insurance (SSDI) is different from Supplemental Security Income (SSI). Stan Hinden explains the difference between the two programs.