Definition of tush. : a long pointed tooth; especially : a horse's canine.
Common causes of low blood sugar include the following: 1  Overmedication with insulin or antidiabetic pills (for example, sulfonylurea drugs) 2  Use of medications such as beta blockers, pentamidine, and sulfamethoxazole and trimethoprim (Bactrim, Septra) 3  Use of alcohol.  Missed meals.
Low Blood Sugar Levels in Diabetes. People with diabetes can have low blood sugar levels because of the medicines they have to take to manage their diabetes. They may need a hormone called insulin or diabetes pills (or both) to help their bodies use the sugar in their blood.