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.
Alcohol can cause blood glucose levels to rise or fall, depending on how much you drink. Some diabetes pills (including sulfonylureas and meglitinides) also lower blood glucose levels by stimulating the pancreas to make more insulin.