Common Skin Conditions in Diabetes & How to Treat Them

July 18, 2025

Common Skin Conditions in Diabetes: What to Watch Out For

Living with diabetes affects more than just your blood sugar—it can also show up on your skin. Recognizing these early signs can help you take action before complications arise.

1. Dark Velvety Patches (Acanthosis Nigricans)

🔍 Appearance: Thick, darkened skin on the neck, armpits, or groin.
💡 What It Means: Sign of insulin resistance, often seen in prediabetes.
🛑 Action Step: Get tested for diabetes if you notice these changes.

2. Shin Spots (Diabetic Dermopathy)

🔍 Appearance: Light brown, scaly patches on the shins.
⚠️ Key Facts:

Harmless but mimics age spots.
May fade with better blood sugar control.
Could indicate higher risk of nerve damage (neuropathy).

3. Shiny, Waxy Plaques (Necrobiosis Lipoidica)

🔍 Appearance: Reddish-brown patches that may ulcerate (usually on legs).
🩹 Treatment: Steroid creams or injections to reduce inflammation.

4. Hardened Skin (Scleredema Diabeticorum)

🔍 Appearance: Tight, thickened skin on upper back/neck.
❗ Note: Doesn’t affect hands/feet but can limit mobility over time.

5. Skin Tags

🔍 Appearance: Small, fleshy growths on neck, eyelids, or armpits.
🔬 Connection: More common in people with insulin resistance.

Infections & Rashes

🦠 Fungal Infections (Yeast, Ringworm)

Thrive in high-sugar environments (e.g., mouth, groin, under breasts).
Treatment: Antifungal creams (clotrimazole) or oral meds (fluconazole).

🦠 Bacterial Infections (Staph, Cellulitis)

Healing is slow due to poor circulation.
Warning Signs: Redness, swelling, pus.

🌀 Granuloma Annulare

Ring-shaped rash (controversial link to diabetes).
If recurrent: May warrant diabetes screening.

Serious Skin Complications

🦶 Diabetic Foot Ulcers

🔴 Why They Happen:

Nerve damage → can’t feel injuries.
Poor blood flow → slow healing.

⚠️ Risk: Leading cause of non-traumatic amputations.
✅ Prevention:
✔ Daily foot checks
✔ Proper footwear
✔ Moisturize (but not between toes)

💛 Yellow Bumps (Eruptive Xanthomatosis)

🔍 Appearance: Small, itchy bumps (legs/buttocks).
💊 Cause: Extremely high triglycerides.
🩺 Treatment: Cholesterol-lowering meds (fibrates).

💧 Diabetic Blisters (Bullosis Diabeticorum)

🔍 Appearance: Painless blisters on hands/feet.
🌞 Good News: Heal on their own in weeks.

⚡ Calciphylaxis (Medical Emergency!)

🔍 Appearance: Painful blackened ulcers.
🚨 Action Needed: Immediate hospital care (mortality rate up to 80%).

👁️ Xanthelasma (Eyelid Bumps)

🔍 Appearance: Yellowish patches near eyes.
💡 Meaning: High blood fats (poor diabetes control).

🛡️ Skin Protection Plan

Daily Care Routine:

✔ Blood sugar control (HbA1c <7%)
✔ Moisturize (urea-based creams for dry skin)
✔ Foot inspections (use a mirror for hard-to-see areas)
✔ Sun protection (SPF 35+, wear hats)
✔ Treat cuts immediately (clean with mild soap, cover)

🚫 Avoid:

• Walking barefoot
• Hot showers (dries skin)
• Tight shoes

🆘 When to See a Doctor

Red Flags:

• New rashes/wounds that won’t heal
• Painful skin changes
• Signs of infection (redness, warmth, pus)

✅ Key Takeaways

✅ Skin = Early Warning System: Changes may signal uncontrolled diabetes.
✅ Prevention Works: Daily care + blood sugar control avoids most issues.
✅ Feet First: Small neglect → big problems (check daily!).

📚 Sources:

🔗 Powered by KSPHealth.org
KSP Health is a telemedicine platform where you can consult with top healthcare providers across the U.S.
✅ Book an Appointment from the Appointment menu (Main Menu)
🗺️ Find providers state-wise and connect with care at your convenience.