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What Is the Somogyi Effect?

Somogyi Effect and Its Signs and Symptoms

The Somogyi effect refers to the defense mechanism of the body after a long period of low blood sugar. It may happen when you do not eat for a long time, work out too much, or take more insulin before the sleeping time. The effect is named after a Hungarian American scientized called Michael Somogyi, who first mentioned it. The Somogyi effect may happen anytime when you have extra insulin in the body. [1]

In general, signs of the Somogyi effect typically begin with high levels of blood glucose when waking up in the morning. These problems do not improve with an increase dosage of insulin. In addition, it may cause low levels of blood sugar at around 2 or 3 a.m. Typical symptoms include increased thirst and appetite, fatigue, dry mouth, dizziness, confusion, blurred vision, headache upon waking up, a quick heart rate, as well as night sweats. [2]