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 Supplemental Security Income (SSI) program pays benefits to disabled adults and children who have limited income and resources. SSI benefits also are payable to people 65 and older without disabilities who meet the financial limits. The maximum benefit in 2015 is $733 per month.