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.
You may apply for Social Security disability for any medical condition (or conditions) that-- 1. Can be considered severe, 2. Prevents you from being able to engage in work activity that could be classified as substantially gainful, and 3.ote: If you do not qualify for SSD due to insuffient work credits, it is possible that an SSI disability claim may be filed (the determination of what you can apply for will be made by the social security office where you apply).