When your feet itch with diabetes, dry skin and athlete’s foot are the first two things to check, and both respond to simple, careful care. Nerves, allergies, leg veins and, when the itch is everywhere, the kidneys or liver can be behind it too. On a foot that cannot feel well, the scratches and cracks matter more than the itch: broken skin lets infection in.
The short version
Research links itch in diabetes mainly to dry skin and nerve damage. On the feet, the other usual suspect is athlete’s foot, which itches and burns between the toes. Itch on normal-looking skin, with tingling or numbness, can come from the nerves; itch all over the body points to the kidneys, liver, thyroid, low iron or a medicine.
Most of it is safe to treat at home: lukewarm water tested with your elbow or a thermometer, a mild soap, careful drying between the toes, a daily moisturizer kept out from between them, and an over-the-counter antifungal for athlete’s foot. Scratched or cracked skin that turns red, warm, swollen or oozing needs a same-day visit. A rash that has not cleared after 2 weeks of antifungal, a blister, or itch all over needs a doctor within days.
Itchy feet with diabetes: which one is it?
The urgency column assumes a foot with reduced feeling; if two rows fit, act on the more urgent.
| What you notice | Likely cause | How urgent on a diabetic foot |
|---|---|---|
| Rough, flaky or cracked skin on the soles and heels, worse after long, hot showers | Dry skin (xerosis) | Routine: a daily moisturizer. Same day if a crack is red, warm or oozing. |
| Itching, burning or stinging between the toes; peeling, cracked or soft white skin | Athlete’s foot (tinea pedis) | An over-the-counter antifungal; seen within days if not cleared after 2 weeks. |
| Dry scale over the sole and sides of the foot, sometimes with thick, discolored toenails | Athlete’s foot on the sole, with fungal nails | Within a few weeks: nail fungus needs prescription treatment. |
| Moist, red patches between the toes, edged with tiny blisters and scales | Candida, a yeast | Within days; keep it dry meanwhile. |
| Itch on normal-looking skin, sometimes with tingling, pain or numbness | Nerve damage (neuropathic itch) | Next visit; sooner if it is new or keeping you awake. |
| A red, itchy rash where a new sock, soap, detergent or cream touches | Contact dermatitis | Stop the new product; seen within days if it does not settle. |
| Dry, itchy, discolored skin on the inner ankles and lower legs; ankles swollen by evening | Stasis dermatitis, from the leg veins | Within days; same day if a sore opens. |
| Itchy bumps, worst at night, in the finger webs or on the wrists or ankles; people close to you itching too | Scabies, a mite | Within days. |
| Itch all over the body with little or no rash, or with yellowing skin or eyes | Kidney, liver or thyroid disease, low iron or a medicine | Your primary care doctor, within days. |
Feel for warmth and swelling as well as looking for redness. Rashes on diabetic feet are covered in rash on feet from diabetes.
Why itchy feet matter more with diabetes
Nerve damage can hide a scratch, a crack or a blister, and blunt the redness and pain that would flag an infection. Guidelines count cracks and blisters among the warning signs that come before a foot ulcer, and infections that start in scratched skin may need antibiotics.
Is itching a sign of diabetes?
Itch is common with diabetes, but estimates vary. A 2021 review put it at 18.4% to 27.5% of people with type 2 diabetes, and in a Polish study of 109 adults with type 2 diabetes, 32.1% were itchy when examined, most often on the lower limbs. In a Japanese survey of 2,656 people with diabetes, itch was commoner than in people without diabetes (26.3% against 14.6%), but the difference lay in unexplained itch on the trunk (11.3% against 2.9%); other itch was no more common.
Itch alone cannot tell you whether you have diabetes, because kidney, liver and thyroid disease cause it too; a fasting glucose or A1C blood test can. Nor does itch track blood sugar reliably: some studies link it to higher fasting or after-meal glucose, two found no link with A1C, and the 2021 review called the relationship poorly defined. Your meter and A1C are the measures to trust.
Dry skin: the first thing to treat
Dry skin (xerosis) and nerve damage are the two factors most linked to itch in diabetes, and they overlap: nerve damage can disturb sweating, and autonomic neuropathy is thought to help dry the skin. In the Polish study, itchy patients had more advanced dry skin than those who did not itch.
Soaking makes it worse, which is why diabetes foot guidance says never to soak your feet. Dry skin shows as roughness, flaking and fine scale on the heels and soles, and it can crack; guidelines treat cracks as a warning sign before an ulcer. More in dry and cracked feet in diabetes.
Athlete’s foot, fungal nails and yeast
Athlete’s foot (tinea pedis) is a fungal infection that usually starts between the toes, where it itches, burns or stings and the skin peels, cracks, or turns white, soft and mushy. It can spread over the sole and sides as dry scale (the moccasin type), easily mistaken for dry skin, and it can blister. Long-standing infection often reaches the toenails, which discolor and thicken; nail fungus needs prescription medicine (see diabetic toenails). A clinician can confirm fungus by scraping a little skin for the microscope.
Candida, a yeast, is often the culprit when people with diabetes get a fungal skin infection, and between the toes it makes itchy, moist red patches edged with tiny blisters and scales.
Both matter because scratched, cracked skin lets bacteria in. Infected skin is usually hot, swollen, red and painful, though nerve damage can mute those signs. See diabetic foot infection.
When the itch comes from the nerves
Nerve damage can itch as well as tingle, hurt or go numb. Diabetes is the commonest cause of small-fiber neuropathy in developed countries. In the Polish study, itchy patients were more likely to have neuropathy, and in the Japanese survey, numb soles and palms and a missing ankle reflex were independent risk factors for itch.
Itch on normal-looking skin points toward the nerves or a body-wide cause rather than the skin, so moisturizers and antifungals will not fix it. A doctor can assess it; prescription nerve medicines such as gabapentin or pregabalin are among the options for neuropathic itch. More in small-fiber neuropathy.
Allergy, eczema, leg veins, scabies and diabetic skin spots
Contact dermatitis typically appears within days of contact with a trigger such as rough fabric, detergent, perfume, dyes or other chemicals; soap and wool can irritate too. On the feet, think new socks, a new laundry detergent, a scented soap or a new cream. Avoid the trigger; a doctor may add a steroid cream.
Eczema (atopic dermatitis) is an itchy, inflammatory skin condition, treated with less time in water, plenty of moisturizer and, when needed, a prescription steroid cream.
Stasis dermatitis comes from poor blood flow in the leg veins. It usually starts on the inner ankles as dry, itchy, discolored skin and can spread up the legs and onto the tops of the feet, with ankles that swell by evening and legs that ache or feel heavy. As it worsens, a slight knock can open a sore. See swollen feet with diabetes and poor circulation in the feet.
Scabies, a mite, itches worst at night and favors the finger webs, wrists and ankles, and people close to you may itch too.
Skin conditions linked to diabetes itself are worth telling apart. Diabetic blisters on the toes, feet or hands are painless, with no redness around them (blisters on diabetic feet). The patches of diabetic dermopathy on the front of the legs do not hurt, open up or itch (diabetic dermopathy; brown spots on feet with diabetes). Necrobiosis lipoidica is sometimes itchy and painful.
Itch all over: kidneys, liver and medicines
Itch all over the body, on normal-looking skin, points inside: kidney disease, liver or bile-duct disease, thyroid disease, or iron deficiency anemia, the commonest cause of whole-body itch in people with an underlying illness. Itch with yellowing skin or eyes (jaundice) points to the liver. Medicines can do it too, especially a new one: some antibiotics, ACE inhibitors for blood pressure, statins, diabetes medicines, opioids and NSAIDs are among the groups linked to itch. This needs a doctor and blood tests, not a foot cream, and never stop a medicine without asking the prescriber.
What helps, safely
- Wash daily in lukewarm water, briefly, and never soak. Soaking dries the skin.
- Test the water with your elbow or a thermometer, not your foot. Numb feet misjudge heat: aim for 90 to 95°F (32 to 35°C), always below 37°C (98.6°F), and never warm your feet with a heater or hot-water bottle.
- Use a mild, perfume-free soap and rinse it off well.
- Dry carefully, especially between the toes, where the skin tends to stay moist.
- Moisturize once a day, tops and soles, never between the toes: a thin coat of lotion, cream or petroleum jelly. For thick, dry soles, try a urea cream. In one small study of 40 people with diabetes, a cream containing 5% urea, used twice a day for a month on an arm and a leg, raised skin moisture and eased itch, though such studies are few. See diabetic foot cream.
- Wear clean cotton socks, changed daily, and shoes that breathe, not vinyl or plastic. Never go barefoot, even at home.
- For likely athlete’s foot, use an over-the-counter antifungal (miconazole, clotrimazole, terbinafine or tolnaftate) as directed on the label, and keep using it for 1 to 2 weeks after the skin clears. A mild case usually clears in about two weeks.
- Have fungal nails treated; guidelines advise treating fungal infection on an at-risk foot.
- Do not scratch. Keep your fingernails short and use a cool, damp cloth instead; cool, not icy, on numb feet.
What not to do
- No cream between the toes; the moisture encourages fungus and infection.
- No corn plasters or acid treatments on thick or cracked skin.
- Do not pop blisters; a clinician protects them, or drains them if needed.
Thinking of a salon pedicure for dry, itchy feet? Read pedicures with diabetes first.
How soon to be seen
Find the first row that matches.
- Emergency department now
Redness spreading fast; fever or chills with broken skin on the foot; skin turning black; or a foot suddenly cold, pale, blue or very painful.
Go now and say you have diabetes. A suddenly cold, pale foot is a 911 call.
- Seen the same day
Scratched or cracked skin that is red, warm, swollen, more painful or oozing pus, or has red streaks running from it.
Call a podiatrist or your doctor, or go to urgent care if nobody can see you. Do not wait for pain; nerve damage can mute it.
- Seen within days
A blister; skin between the toes that keeps cracking; a rash not cleared after 2 weeks of an over-the-counter antifungal; itchy, discolored skin with swollen ankles; or itch all over, or with yellowing skin or eyes.
Book a foot visit this week; for itch all over or yellowing skin, see your primary care doctor promptly. In Michigan? Book here →
- At your next routine foot check
Dry skin that settles with a daily moisturizer; athlete’s foot that cleared with treatment; or thick, discolored nails with healthy skin around them.
Mention it at the visit. Have a full foot exam at least once a year, and ask for a foot check at every diabetes visit.
Free: the 30-Second Daily Foot Check. Scratch marks, a crack between the toes or a new rash are easiest to deal with on the day they appear, and the daily check is how you catch them. This one printable page from Dr. Tom Biernacki lists five steps to do before your socks go on, says when to call your foot doctor and when to go to the ER, and gives you a week of tick boxes for the fridge.
ER or 911 now, not a download: a foot or leg that is suddenly cold, pale, blue or very painful; any skin turning black; redness spreading fast, or fever or chills with a foot wound.
Download the Daily Foot Check (PDF, 1 page)
Coming fall 2026: The Diabetic Foot Care Guide, Dr. Tom’s book.
Common questions
Why do my feet itch so much with diabetes?
Dry skin and nerve damage are the two factors most linked to itch in diabetes, and nerve damage that disturbs sweating may dry the skin further. Hot water and soaking add to it. Next, check between the toes for athlete’s foot.
Is itching a sign of high blood sugar?
Not reliably. Some studies link itch to higher fasting or after-meal glucose, but two found no link with A1C, and a 2021 review called the relationship poorly defined. Trust your meter and A1C, and if you have never been tested, ask for a glucose or A1C test.
What cream is best for itchy diabetic feet?
The one that fits the cause: a daily moisturizer for dry skin, kept off the skin between the toes, with urea for thick soles; an over-the-counter antifungal such as clotrimazole or terbinafine for athlete’s foot. If an antifungal has not cleared it in 2 weeks, have it examined.
Can neuropathy make your feet itch?
Yes. Nerve damage can itch as well as tingle or go numb, and diabetes is the commonest cause of small-fiber neuropathy in developed countries. Itch on normal-looking skin with tingling or numbness is worth telling your doctor about; creams will not fix it.
Is it athlete’s foot or dry skin?
Start with where it is: athlete’s foot usually begins between the toes, with itching, burning, peeling or soft white skin, while dry skin is rough and flaky on the heels and soles. Athlete’s foot can spread over the sole as dry scale, so “dry skin” that ignores moisturizer deserves an antifungal or a skin scraping.
When is itching an emergency?
Itch alone is not. Broken skin that turns red, warm, swollen or oozing is a same-day visit; redness spreading fast, fever or chills, or skin turning black means the emergency department now. Itch all over, or with yellowing skin or eyes, needs your doctor promptly.
Sources
Peer-reviewed literature, plus guideline, professional-society and federal sources.
- Stefaniak AA, Krajewski PK, Bednarska-Chabowska D, Bolanowski M, Mazur G, Szepietowski JC. Itch in adult population with type 2 diabetes mellitus: clinical profile, pathogenesis and disease-related burden in a cross-sectional study. Biology (Basel). 2021;10(12):1332. doi:10.3390/biology10121332 — itch in 32.1% of 109 adults with type 2 diabetes at examination, most often on the lower limbs, with drier skin, more neuropathy and higher fasting glucose in those who itched.
- Stefaniak AA, Chlebicka I, Szepietowski JC. Itch in diabetes: a common underestimated problem. Advances in Dermatology and Allergology. 2021;38(2):177-183. doi:10.5114/ada.2019.89712 — the 18.4–27.5% estimate; dry skin and neuropathy as the two main factors, with sweating and autonomic changes; small-fiber neuropathy; the Japanese survey by Yamaoka and colleagues; the unsettled link with glucose; and the 5% urea study.
- Rupert J, Honeycutt JD. Pruritus: diagnosis and management. American Family Physician. 2022;105(1):55-64. aafp.org — Pruritus: diagnosis and management — bathing, soap and moisturizer advice; contact dermatitis, eczema and scabies; itch on normal-looking skin; causes of itch all over, including kidney, liver and thyroid disease, diabetes, iron deficiency anemia and drugs; the blood tests used; and treatment of neuropathic itch.
- U.S. National Library of Medicine. Itching. MedlinePlus Medical Encyclopedia. Reviewed August 5, 2024. medlineplus.gov — Itching — soap and wool as irritants; itch all over from kidney disease, liver disease with jaundice and medicines; not scratching, short fingernails and cool compresses; and when to see a doctor.
- U.S. National Library of Medicine. Athlete’s foot. MedlinePlus Medical Encyclopedia. Reviewed April 1, 2025. medlineplus.gov — Athlete’s foot — the symptoms; over-the-counter antifungals and how long to use them; cotton socks; bacterial infection after scratching; and swelling, warmth, red streaks, pus or fever as reasons to call.
- American Academy of Dermatology. Ringworm: Signs and symptoms; Ringworm: Diagnosis and treatment. Accessed October 9, 2026. aad.org — Signs and symptoms; aad.org — Diagnosis and treatment — athlete’s foot signs and spread to the sole and nails; a mild case usually clearing in two weeks, and stronger medicine if not; prescription treatment for nails; and diagnosis by skin scraping.
- American Diabetes Association. Diabetes and Skin Complications. Accessed October 9, 2026. diabetes.org — Diabetes and Skin Complications — Candida between the toes; signs of infected skin; no lotion between the toes; and how diabetic blisters, dermopathy and necrobiosis lipoidica behave.
- American Academy of Dermatology. Eczema types: Stasis dermatitis signs and symptoms. Accessed October 9, 2026. aad.org — Stasis dermatitis signs and symptoms — where stasis dermatitis starts and spreads, evening ankle swelling, aching legs, sores, and poor blood flow in the leg veins as the cause.
- National Institute of Diabetes and Digestive and Kidney Diseases. Diabetes and Foot Problems. NIH; last reviewed January 2017. niddk.nih.gov — Diabetes and Foot Problems — tingling, pain and lost feeling; water temperature and how to test it; no soaking; where lotion goes; shoes and bare feet; when to call; and how often feet should be examined.
- Schaper NC, van Netten JJ, Apelqvist J, Bus SA, Fitridge R, Game F, Monteiro-Soares M, Senneville E. Practical guidelines on the prevention and management of diabetes-related foot disease (IWGDF 2023 update). Diabetes Metab Res Rev. 2024;40(3):e3657. doi:10.1002/dmrr.3657 — daily washing in water below 37°C, drying between the toes, emollients but not between the toes, no heaters, daily sock changes, no bare feet, treating fungal infection, fissures and blisters as pre-ulcerative signs, no chemical callus treatments, and infection signs blunted by neuropathy.
Related guides
Dry and cracked feet in diabetes
Dry skin and heel cracks, and how to care for them.
Rash on feet from diabetes
Rashes on diabetic feet and what they mean.
Diabetic foot cream
What works on dry diabetic skin.
Diabetic toenails
Fungal nails, and what each nail change means.
Diabetic foot infection
The signs that broken skin has become infected.
Poor circulation in the feet
Signs, tests and what helps.
Skin and foot checks in Michigan
An itch that will not settle, or skin between the toes that keeps breaking down, deserves an examination. Balance Foot & Ankle sees patients in Howell and Bloomfield Township.
Dr. Tom Biernacki is a double board-certified podiatric foot and ankle surgeon practising in Michigan. He treats diabetic wounds, Charcot neuroarthropathy and at-risk feet daily, and writes here to put the clinical reasoning behind that care in front of the people living with it.