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 ...
Average SSI Benefit. Supplementary Security Income, or SSI, is the other Social Security program that pays benefits to the disabled. However, to obtain SSI, you must also be considered low-income. On average, an SSI beneficiary receives $499 a month as of January 2011. Younger SSI beneficiaries receive the highest average benefit at $598, followed by those age 18 to 64 who receive $515, followed by those 65 and older who receive $403 a month.