Local Skin Reactions
Redness, swelling, and itching at the injection site shortly after insulin administration.
Urticaria
Development of hives or welts on the skin, which may be itchy and uncomfortable.
Anaphylaxis
A severe, potentially life-threatening allergic reaction that involves difficulty breathing, drop in blood pressure, and possibly loss of consciousness.
Angioedema
Swelling in deeper layers of the skin, often affecting the eyes, lips, and throat.
Systemic Erythema
Widespread redness of the skin, which may be accompanied by warmth and tenderness.
Pulmonary Symptoms
Symptoms affecting the lungs, such as coughing, wheezing, or shortness of breath.