15 Complications Linked To Prediabetes

13. Gum Disease (Periodontitis)

kids brushing teeth by herself as activity daily living. Dental care hygiene for tooth & gums health. Photo Credit: Envato @natee127

High blood sugar levels can reduce blood flow to the gums and weaken the body’s immune response, even in prediabetic individuals. This makes it easier for plaque and bacteria to cause inflammation, leading to gingivitis and more severe periodontal disease. Symptoms may include bleeding gums, bad breath, or receding gum lines. Good oral hygiene, regular dental cleanings, and improved glucose control are essential. Left untreated, periodontitis can contribute to tooth loss and further systemic inflammation.

14. Skin Conditions

Asian woman have problem black armpit beauty skin care. Photo Credit: Envato @chormail

Prediabetes can manifest in the skin before other complications arise. Conditions like acanthosis nigricans—characterized by dark, velvety patches of skin—often appear on the neck, armpits, or groin. Other issues may include skin tags or slow-healing wounds. These changes result from insulin resistance and poor circulation. While not dangerous themselves, they may be early warning signs of worsening metabolic health. Topical treatments can help cosmetically, but managing blood sugar is the most effective long-term strategy.

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