Enkelte patienter, der har haft hypoglykæmiske reaktioner efter skift fra animalsk til human insulin, har oplyst, at de tidlige hypoglykæmiske advarselssymptomer var mindre udtalte eller forskellige fra, hvad de havde oplevet med det tidligere benyttede insulin.
A few patients who have experienced hypoglycaemic reactions after transfer from animal-source insulin to human insulin have reported that the early warning symptoms of hypoglycaemia were less pronounced or different from those experienced with their previous insulin.