What makes an insulin prescription safe?

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(1) Firstly, it should be ensured that the scheduled insulin prescription is for the CORRECT patient.
(2) Indelible ink should be used if handwriting the prescription and the word 'Insulin' should be written if not pre-printed.
(3) In the United Kingdom, the CORRECT insulin is prescribed by brand name (e.g. rapid acting insulin lispro is prescribed as Humalog).