Glucagon
Glucagon is a naturally occuring peptide synthesized in the CNS, where its actions may include regulation of peripheral glucoregulation, yet remain not well understood.  Glucagon generally functions as a counterregulatory hormone, opposing the actions of insulin, and maintaining the levels of blood glucose, particularly in patients with hypoglycemia. In patients with diabetes, excess glucagon secretion plays a primary role in the metabolic perturbations associated with diabetes, such as hyperglycemia.
Indications:
Unconscious, unresponsive or convulsing patient with verified low blood glucose level in whom IV access is not possible and who can not take treatment PO.
Common Side Effects: 
Nausea, Vomiting, urticaria
Potentially Lethal Side Effects:
hypotension, respiratory distress, Steven Johnson Syndrome
Contraindications:
Pheochromocytoma
Adult dosing*:
Hypoglycemia with altered mentation and no IV access:
IM:  1 unit dose
Pediatric dosing*:
Hypoglycemia with altered mentation and no IV access:
IM:  0.1mg/kg,  Max 1mg
Notes:
-  Peak expected glucose levels 26 min after 1 mg glucacon IM.

*  The definition of hypoglycemia may vary from locale to locale.  A typical definition is <40-60mg/dL with any degree of alteration.  Neonate hypoglycemia is defined as <40mg/dL.
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