General

Age

Renal disease

Hepatic disease

Congestive heart failure

Alcohol

Irregular exercise*

Irregular meals*

Medications

Insulin

Oral hypoglycemic agents, especially sulfonylureas such as Glimepiride (Amaryl), glyburide (DiaBeta, Glynase, Micronase), chlorpropamide (Diabinese) and glipizide (Glucotrol)†

Sulfa medications

Warfarin (Coumadin)

Chloramphenicol (Chloromycetin)

Beta blockers

Irregular medication regimens*