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 ...
The Social Security Administration (SSA) administers two disability programs, Social Security Disability Insurance (SSDI) and the Supplemental Security Income (SSI) program. SSDI is a social insurance program financed through Social Security payroll taxes paid by workers and their employers.