What Does Stasis Dermatitis Look Like? Here Are Pictures to Help

Rashes are no fun. And there are many different types with a wide range of causes. You might already know that allergic reactions and infections can cause rashes. But did you know that leg swelling can also cause skin changes? This is what happens in stasis dermatitis.

“Stasis” means staying still or pooling. “Dermatitis” is a fancy word for a rash, meaning skin inflammation. So, stasis dermatitis is a skin rash caused by pooling of fluid (edema or swelling) in the lower legs. This is a common condition that affects about 6% of people over the age of 65. And it can be pretty uncomfortable.

What causes stasis dermatitis?

In general, stasis dermatitis happens when circulation in the legs isn’t working as well as it should. This causes fluid to leak from the blood vessels into the surrounding skin — a condition called chronic venous insufficiency. 

To understand why stasis dermatitis happens, it helps to understand veins and edema. Veins are thin blood vessels that return blood to the heart. When you sit or stand, veins fight an uphill battle to return blood from the legs to the heart. Valves inside of the veins help prevent backflow of blood, and leg muscles help squeeze blood uphill.

However, vein valves get leakier with age. And, if you don’t move around much, leg muscles don’t help squeeze blood uphill. Fluid can then pool in the legs, causing edema.

It’s not clear why some people with chronic venous insufficiency get stasis dermatitis and some don’t. But we do know that stasis (pooling) creates high pressure in veins, triggering inflammation, which leads to skin changes.

Risk factors for stasis dermatitis

Age is one of the biggest risk factors for stasis dermatitis because valves in veins don’t work as well over time. People over age 50 — especially women — are most likely to develop stasis dermatitis.

Anything that causes prolonged pooling of fluid in the legs can also raise the risk of stasis dermatitis. This includes:

• A BMI (body mass index) of 30 or higher (in the “obese” category)

• A sedentary lifestyle (lack of physical activity)

• Long periods of standing or sitting (like for a job, such as truck driving)

• A history of injuries to or surgeries on the legs, especially when veins are involved

• High blood pressure

• Heart failure

• Chronic kidney disease

• A history of blood clots (deep vein thrombosis)

• Varicose veins

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Stasis dermatitis pictures

Stasis dermatitis can look a bit different depending on the color of your skin. It may look red or brown in lighter skin tones. And it may look purple, brown, gray, or ashen in darker skin tones. There can be different degrees of swelling. Let’s take a look.

Stasis dermatitis symptoms

Stasis dermatitis typically affects the feet, ankles, and/or lower legs. It can affect just one side or both. In rare cases, it affects other parts of the body, too. 

But edema and rash are always present. That’s because you can’t have stasis dermatitis without stasis and dermatitis. 

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Other symptoms of stasis dermatitis include:

• Thick, dry, scaly skin

• Blisters that ooze or leak fluid

• Sores or ulcers

• Itching

• Wide, puffy, visible veins (varicose veins)

• Aching, burning, or tight-feeling legs and feet

Complications of stasis dermatitis

When severe, stasis dermatitis may cause venous ulcers (open sores). Since circulation is poor, venous ulcers take a long time to heal and often need special care. Stasis dermatitis may also lead to skin infection (cellulitis), especially if there are openings in the skin.

How do you diagnose stasis dermatitis?

Medical professionals can typically diagnose stasis dermatitis just by looking at it. When someone has edema and a discolored, dry, scaly rash, the diagnosis is fairly straightforward. “Sock lines” — indentations in the skin from your socks at the end of the day — are also an easy clue for edema.

Sometimes, additional tests, like an ultrasound and blood work, are done to confirm the diagnosis and to make sure nothing more serious is going on (like a blood clot).

Stasis dermatitis treatments

Treating stasis dermatitis usually involves a three-pronged approach. Here’s a closer look at each step. 

1. Decreasing fluid pooling in the legs

To decrease fluid pooling in the legs, a medical professional might recommend:

• Compression garments, which help squeeze fluid back into the veins and return blood to the heart

• Diuretics (water pills), like furosemide (Lasix) to help your body get rid of extra fluid

• Low-salt diet, since salt makes the body hold onto fluid

• Weight loss

• Propping up your feet on pillows (above the heart) while sitting or sleeping to help return fluid to the heart

• Increasing your physical activity level

• Getting up for a brisk walk after sitting or standing for more than 1 hour at a time

2. Caring for your skin

Skin affected by stasis dermatitis is dry, inflamed, itchy, and uncomfortable. Keeping the skin moisturized and avoiding scratching are critical to healing and preventing issues.

To care for skin affected by stasis dermatitis, your care team might recommend:

• Bathing with mild, fragrance-free cleansers (instead of harsh soaps)

• Using a soft bath sponge or towel (instead of something rough or exfoliating)

• Gently patting the skin dry after bathing

• Applying petroleum jelly within 2 minutes of bathing to skin that’s slightly damp

• Wearing loose-fitting cotton pants that won’t rub or irritate the skin

• Avoiding injuring the area

If your skin is very inflamed, a healthcare professional might prescribe a steroid cream, like hydrocortisone. And, if you have a skin infection, you may need antibiotics.

3. Prevention

Stasis dermatitis can be uncomfortable, and it can feel embarrassing for some. But there’s a lot you can do to prevent it or keep it from getting worse, including:

• Maintaining a healthy weight for you

• Staying physically active

• Reviewing your medications with your healthcare team to see if any might be adding to leg swelling

Frequently asked questions

Why trust our experts?

Written by:

Samantha C. Shapiro, MD

Samantha Shapiro, MD, is a board-certified rheumatologist and internist with expertise in autoimmune and inflammatory conditions. She founded the division of rheumatology at Dell Medical School at The University of Texas at Austin.

Edited by:

Sophie Vergnaud, MD

Sophie Vergnaud, MD, is the Senior Medical Director for GoodRx Health. A pulmonologist and hospitalist, she practiced and taught clinical medicine at hospitals in London for a decade before entering a career in health education and technology.

Reviewed by:

Maria Robinson, MD, MBA

Maria Robinson, MD, MBA, is a board-certified dermatologist and dermatopathologist who has practiced dermatology and dermatopathology for over 10 years across private practice, academic, and telehealth settings. She is a fellow of the American Academy of Dermatology and the American Society of Dermatopathology.

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Images used with permission from VisualDx (www.visualdx.com)