Usually, diarrhea is caused by a virus that infects the gut. Some people call it intestinal flu or stomach flu.. It can also happen due to: 1  Alcohol abuse. 2  Allergies to certain foods. 3  Diabetes. 4  Diseases of the intestines (such as Crohn's disease or ulcerative colitis). 5  Eating foods that upset the digestive system.
You are allowed to continue working and still receive Social Security benefits. However, if you are under full retirement age, you are limited in the amount you can earn. In 2011, that amount is $14,160. If you are under full retirement age, then you will have to repay $1 for every $2 year earn over that limit.
According to the Social Security website, To qualify for Social Security disability benefits, you must have worked long enough in jobs covered by Social Security. Generally, you need 40 credits, 20 of which are earn in the last 10 years ending with the year you become disabled. Then, you must have a medical condition that meets Social Security's definition of disability. Social Security disability should not be confused with Supplemental Security Income, or SSI, which pays benefits to those who have financial need regardless of their work history.