The exact symptoms of diabetes will vary, depending on your blood glucose level. Some people have Type 2 Diabetes or Gestational diabetes for a long time without noticing any obvious signs or symptoms. Common symptoms of diabetes may include:
Polyuria (Frequent urination): Due to the increased blood glucose, a large amount of glucose is excreted from the kidney, which further causes polyuria through the mechanism of osmotic diuresis. The total urine volume can reach up to 2-10 L per day.
Polydipsia (feel thirsty): Diabetic always feel thirsty because of excessive water loss caused by polyuria.
Polyphagia (eat more): For the reason that glucose can not be fully utilized before expelling from the body with the urine, the body’s energy source is insufficient, so patients often feel hungry and eat more.
Emaciation (weight loss): Due to the reduced glucose utilization rate and subsequent increased consumption of fat and protein, diabetic patients get increasingly thinner, with fatigue and weakness. Together with excessive water loss, the diabetic patients’ body weight reduces obviously.
Malaise (Fatigue): Given the insufficient oxidization of glucose, that is the body can not make full use of it and effectively convert it into energy, together with tissue dehydration, electrolyte imbalance and negative nitrogen balance, so diabetic patients always feel lack of strength and listless.
Impaired vision: Many diabetic patients complain decreased vision or blurring in early diagnosis, for which changed crystal osmotic pressure caused by high blood sugar may be responsible. In the early stage, the vision generally changes functionally. Once the blood sugar gets well controlled, the impaired vision can be quickly recovered.
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