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Being Extra Thirsty and Having to Urinate More Than Usual
This is a common but not-so-obvious sign of blood sugar that is too high: feeling really thirsty and needing to drink more than usual. “Excessive urination, known as polyuria, occurs when glucose builds up in your blood, and your kidneys begin working harder to get rid of the extra glucose,” says Zanini. If your kidneys can’t keep up and adjust blood sugar so that it returns to a normal level, the excess sugar is flushed out of your body through urine, she adds. You may become dehydrated and get dizzy.
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You’re Hungrier Than Usual but Losing Weight
Many people with uncontrolled high blood sugar find that they’re hungrier than usual, which signals a symptom called polyphagia, MedlinePlus notes. And although you’re eating more, you may be losing weight for no apparent reason if your blood sugar levels are too high, according to the Cleveland Clinic.
“Since your body is not getting energy from the preferred source, glucose, it has to turn to muscle and fat,” Zanini explains. “When your body starts breaking down muscle and fat for energy, you experience unintentional and unhealthy weight loss.” In addition to these changes in weight and appetite, you may notice weakness in your muscles and experience more frequent falls, Emanuele adds.
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You Feel Tiredness and Fatigue Constantly
Fatigue and extreme tiredness are symptoms of uncontrolled blood sugar, the ADA says. “Simply put, when your body is not processing insulin properly or it doesn’t have sufficient amounts of insulin, the sugar is staying in our blood rather than getting into our cells to be used for energy,” Zanini says. Also, frequent urination can lead to dehydration, which Bandukwala identifies as another contributing factor to fatigue.
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You Have Noticeably Blurry Vision and Frequent Headaches
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