Endocrinology 139 , 20922101 (1998)

Patients should contact their GP or diabetes specialist nurse if they experience: Severe or worsening pain at the injection site that does not improve with simple analgesia Increasing redness, warmth, or swelling that spreads beyond the immediate injection areathese may indicate cellulitis or abscess formation Purulent discharge or signs of infection at the injection site Persistent nodules or lumps that do not resolve within 23 weeks Skin reactions that consistently occur with each injection despite proper technique and site rotation Extensive bruising or bleeding that seems disproportionate to the injection Immediate medical attention (999 or A&E) is required if patients develop signs of a serious allergic reaction (anaphylaxis) , including: Difficulty breathing or swallowing Swelling of the face, lips, tongue, or throat Widespread rash or hives (urticaria) Dizziness, fainting, or rapid heartbeat Urgent medical attention (111 or A&E) is also needed if you develop symptoms of pancreatitis , such as: Severe, persistent abdominal pain that may radiate to the back Nausea or vomiting These symptoms represent a medical emergency requiring immediate treatment

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Its key innovation lies in the chemical modifications made to the GLP-1 peptide backbone