Endocrine Abstracts

We present a 52-year-old female with a 26-year history of type-2 diabetes mellitus who has been difficult to treat owing to the development of multiple insulin allergies. She initially developed local hyperpigmentation and itchy swellings at the injection sites of her Humulin I in 2016, with similar symptoms occurring when she was switched to NovoRapid. Additionally, she developed one severe, systemic reaction to Humulin I. All insulin treatment was stopped, and she was left s...