Diabetes and Brown Spots on Bottom of Feet: What You Need to Know

Medically Reviewed by:Scientific Advisory Board

Many people suffer from diabetes, a condition characterized by high blood sugar levels, which can lead to various complications if not adequately managed. One such problem that individuals with diabetes might experience is the development of brown spots on the bottom of their feet. These spots can cause discomfort and concern, particularly if left untreated.

diabetes brown spots feet

These brown spots, known as diabetic dermopathy, are common among those with diabetes and are typically found on the lower legs and feet. They're believed to be a result of damage to the small blood vessels in the skin, caused by prolonged high blood sugar levels. Diabetic dermopathy is typically harmless and doesn't require specific treatment. However, it's essential for those with diabetes to pay close attention to any changes in their skin and seek professional medical advice when necessary.

While the presence of brown spots may not be a cause for alarm on its own, it's vital that individuals with diabetes maintain proper foot care to prevent further complications. This includes regularly checking the feet for any changes, keeping them clean, moisturized, and well-supported with appropriate footwear, and addressing any issues that might arise promptly. By taking these precautions, people with diabetes can protect the health of their feet and enjoy a better quality of life.

Understanding Diabetes-Related Foot Issues

When living with diabetes, it's essential to be mindful of foot health. With diabetes come several foot issues, often linked to nerve damage (neuropathy) and poor blood circulation. We'll discuss the common diabetes-related foot issues and why brown spots may appear on the bottom of one's feet.

Diabetic neuropathy affects a significant percentage of people with diabetes. This nerve damage can cause loss of sensation, leaving one unable to feel injuries such as blisters or cuts. When unnoticed and untreated, these minor injuries can escalate into infections or ulcers, putting the foot at risk. Some common symptoms of diabetic neuropathy include:

  • Numbness or tingling in the feet
  • Sharp or throbbing pain
  • Sensitivity to touch
  • Muscle weakness
  • Loss of balance or coordination

On the other hand, poor circulation resulting from diabetes can lead to Peripheral Arterial Disease (PAD). When blood flow decreases in the arms and legs, it slows down the healing process, making foot infections or ulcers harder to manage. Indications of PAD include:

  • Cold feet
  • Leg pain while walking
  • Weak or nonexistent pulse in the feet
  • Shiny or discolored skin on legs
  • Slow-growing toenails

Now, let's address brown spots on the bottom of the feet. These spots may be related to a condition called Diabetic Dermopathy. This condition commonly appears as small, round, and brown patches, similar to age spots, on the shins or feet. Diabetic Dermopathy is generally harmless, but it might be indicative of neuropathy and circulation issues.

In addition to Diabetic Dermopathy, brown spots could also result from other skin conditions unrelated to diabetes. Consulting a healthcare professional for proper diagnosis and treatment is always advisable.

To maintain proper foot health and decrease the risk of complications arising from diabetes, we recommend the following tips:

  • Regular self-inspections of your feet for cuts, blisters, or anything unusual
  • Keeping your feet clean and dry
  • Moisturizing dry skin, avoiding application between toes
  • Cutting toenails straight across to avoid ingrown toenails
  • Wearing well-fitting shoes and moisture-wicking socks

Being proactive about your foot care, along with managing your blood sugar levels, can significantly contribute to maintaining overall health and minimizing diabetes-related foot issues. Remember to consult your healthcare professional for personalized advice in managing diabetes and maintaining optimal foot health.

Brown Spots on Bottom of Feet: Causes and Symptoms

Brown spots on the bottom of feet can be concerning, especially for people with diabetes. We'll explore some of the common causes and symptoms of these spots to help you better understand this issue.

Diabetic dermopathy is one of the most common causes of brown spots on the bottom of feet in patients with diabetes. These spots are often harmless, but it's important to monitor them for any changes. Diabetic dermopathy occurs due to vascular complications that arise from diabetes, leading to skin lesions with a characteristic brown or red color. Some symptoms of diabetic dermopathy include:

  • Light brown, round or oval patches on the skin
  • A scaly surface on the spots
  • No itchiness or pain associated with the patches
  • Primarily found on the shins but can also appear on the feet

Another cause for brown spots on the feet could be actinic keratosis. This is a precancerous skin condition caused by exposure to the sun, and it's more common in fair-skinned individuals. Although not directly related to diabetes, people with diabetes should be cautious due to potential complications that can arise. Symptoms of actinic keratosis include:

  • Rough, scaly patches on the skin
  • Brown, red, or pink spots
  • A burning or itching sensation

Foot melanoma, a type of skin cancer, can also be a cause for brown spots on the bottom of feet. While less common than other causes, it can't be ignored. Early detection and treatment are crucial for a positive outcome. Some possible symptoms of foot melanoma include:

  • Asymmetrical spots with irregular borders
  • Color variations within the same spot
  • Spots that are larger than a pencil eraser
  • Spots that change in size, color, or shape over time

Infections, such as foot fungus, can also lead to brown spots on the feet. These infections affect the outer layer of skin and can cause discoloration. Some signs of fungal infections on the feet may include:

  • Itchy, red, or peeling skin
  • Brown, yellow, or white spots on the affected area
  • A foul smell from the infected skin

In summary, several conditions can cause brown spots on the bottom of feet in people with diabetes. It's important to monitor these spots and consult a healthcare professional if you notice any changes or experience symptoms that cause concern. Remember that an early diagnosis leads to a better chance of successful treatment.

Prevention and Treatment Options for Diabetic Foot Issues

Preventing and treating diabetic foot complications starts with good foot care practices. We'll discuss some of the most effective ways to protect your feet from brown spots and other skin issues commonly associated with diabetes.

Control blood sugar levels – Keeping your blood sugar within a healthy range can reduce the risk of developing foot problems. Make sure you're consistent with monitoring and managing blood sugar levels.

Regular foot inspections – Keep an eye on the appearance and condition of your feet. Examine them daily for any signs of injury, changes in color or texture, or the appearance of brown spots. If you notice any change, consult your healthcare professional.

Washing and drying your feet – Practice proper foot hygiene by washing your feet with warm water and mild soap daily, then drying them thoroughly, especially between the toes.

Moisturize your feet – Apply a diabetic-friendly moisturizer to your feet to prevent dry, cracked skin, which can lead to infections.

Wear comfortable, well-fitting shoes – Choose shoes that offer good support, cushioning, and plenty of room for your toes. Avoid high heels, tight shoes, or shoes that cause friction.

Wear socks designed for diabetics Quality diabetic socks provide extra cushioning and support, as well as moisture-wicking properties to keep your feet dry and healthy.

When it comes to treating diabetic foot issues, such as brown spots on the bottom of your feet, seek professional medical advice. Treatment options may include:

  • Topical medications – Prescription creams or ointments may be provided to treat skin discoloration or infections.
  • Oral medications – In some cases, your doctor may prescribe oral medication to address the underlying cause of the foot issue.
  • Regular foot care by a podiatrist – Seeing a podiatrist regularly can help detect and address problems before they worsen.
  • Managing underlying conditions – Addressing underlying diseases, such as poor circulation or nerve damage, can improve foot health.

Incorporating these prevention and treatment strategies will help protect your feet from diabetic complications. Remember, early intervention is the key to maintaining healthy feet and avoiding serious complications. Work with your healthcare team to establish a foot care routine that suits your needs and lifestyle.


We've explored the connection between diabetes and brown spots on the bottom of feet and how important it is to monitor and address these symptoms.

With proper care and attention, diabetic patients can maintain their foot health and prevent further complications. It's essential to reach out to a medical professional if experiencing any new or worsening symptoms. Their guidance and treatment plans will be crucial in managing diabetes and ensuring optimal foot health. By staying informed and taking a proactive approach to foot care, we can avoid many of the potential problems associated with diabetes and brown spots on the bottom of our feet.

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More About Circufiber.com and Healthcare disclaimer:

Always consult your physician before beginning any program. This general information is not intended to diagnose any medical condition or to replace your healthcare professional. If you experience any pain or difficulty, stop and consult your healthcare provider. Circufiber.com socks are clinically proven to improve micro-circulation in feet and lower extremities in people with Diabetes. 

More Author Information:

Dr. Capozzi is a board-certified foot surgeon through the American Board of Foot and Ankle Surgery. He is a Diplomate of the American Academy of Wound Management and Fellow of the American College of Foot and Ankle Surgeons. He completed a three-year residency program in Foot and Ankle Reconstructive Surgery at St. Francis Hospital & Medical Center in Hartford, CT in 2010. Dr. Capozzi is a board-certified Wound Specialist® granted by the American Academy of Wound Management. He is also board-certified in Foot Surgery through the American Board of Foot and Ankle Surgery.