Rarely, people have allergic reactions to insulin. Seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).
The side effects of insulin therapy result mostly from blood sugar levels that are either too high or too low. You should be familiar with the symptoms of both high and low blood sugar levels and know how to treat both conditions. Also, be sure your family and close friends know how to help you in an emergency.
Low blood sugar may occur when too much insulin is used; when meals are missed or delayed; if you exercise more than usual; during illness, especially with vomiting or diarrhea; if you take other medications; after drinking alcohol; and in other situations.
Hypoglycemia, or low blood sugar, has the following symptoms: shaking; nausea; headache; drowsiness; weakness; dizziness; fast heartbeat; sweating; pale, cool skin; anxiety; and difficulty concentrating.
Keep sugary candy, fruit juice, or glucose tablets on hand to treat episodes of low blood sugar.
Increased blood sugar may occur if not enough insulin is used, if you eat significantly more food then usual, if you exercise less than usual, if you take other medications, if you have a fever or other illness, and in other situations.
Hyperglycemia, or high blood sugar, has the following symptoms: increased thirst, increased hunger, and increased urination.
Monitor your blood sugar levels a
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