Stasis Dermatitis: Itching, Discoloration and Skin Changes

Itchy, dry, discolored skin around the ankles is one of the most frequently misdiagnosed things on the lower leg. It is regularly treated as an infection or an allergy when it is the skin’s response to sustained venous pressure — and the treatments for those are different.

When it is not just dermatitis

See someone promptly if there is spreading redness with fever or feeling unwell, increasing pain, pus or a bad smell, or a break in the skin that is getting larger. Infection can sit on top of stasis dermatitis, and it needs treating.

And if one leg has become newly swollen, red and painful over hours to days, that needs assessment today — both cellulitis and a clot look like that. More on DVT →

What it looks like

  • Dry, scaly, itchy skin on the lower leg, usually worst just above the inner ankle
  • Redness that is often on both legs — a useful clue, because cellulitis is almost always one leg
  • Brown or rust-colored staining, from iron left behind by leaked red blood cells
  • Weeping or crusting patches during a flare
  • Over time, skin that feels firm, tight and woody, sometimes narrowing the lower calf
  • Small white scarred patches, and eventually shallow ulcers

The mistake that matters

Stasis dermatitis on both legs is frequently treated as bilateral cellulitis and given repeated courses of antibiotics that do not help — because there is no infection to treat. Cellulitis is nearly always one-sided and comes with fever and a rapidly worsening picture. Chronic, itchy, symmetrical redness with brown staining and a long history is a different animal. Neither this page nor any page can make that distinction for you, but it is a reasonable thing to raise if you have had several courses of antibiotics for legs that keep looking the same.

Why it happens

Sustained high pressure in the lower leg veins pushes fluid and blood cells out into the tissue. The body’s response to that leakage is inflammation, and the skin sitting in an inflamed, fluid-logged environment becomes dry, fragile and itchy. Iron from broken-down red cells is what produces the brown staining, which is essentially permanent once established. Over years the inflammation lays down fibrous tissue and the skin hardens.

In other words, the skin is a symptom. Treating the skin without addressing the pressure underneath it is a losing strategy.

What actually helps

  1. Address the venous pressure. Correctly fitted graduated compression, elevation above heart level, and walking. This is the part that changes the trajectory. It requires an arterial assessment first. Why →
  2. Moisturize consistently. Plain, fragrance-free emollients, applied generously and often. Dry skin cracks, and cracks become ulcers.
  3. Treat the inflammation during a flare. Topical steroids are commonly prescribed for this, for defined periods. This is a prescription decision, not a cosmetic one, and long unsupervised use thins already-fragile skin.
  4. Be careful what you put on it. Skin in this state becomes sensitised easily, and contact allergy to ingredients in creams and dressings is common. If a product makes things worse, stop it and say so.
  5. Do not scratch. Easier said than done, and the usual route from intact skin to an open ulcer. Treating the itch properly is the practical answer.
  6. Protect from knocks. A minor bump on this skin can open a wound that takes months.

Common questions

Will the brown staining go away?

Largely no. The pigment is iron deposited in the skin and it typically persists even when everything else improves. Treatment is aimed at stopping further damage and preventing ulceration, not at restoring the color.

Is it contagious?

No. It is a response to pressure and inflammation inside your own leg, not an infection, and nobody can catch it from you.

Can I just use a strong steroid cream?

Topical steroids have a real role in flares, prescribed and time-limited. Used continuously without supervision they thin skin that is already fragile, which makes ulceration more likely. And they do nothing about the venous pressure causing the problem, so the flares keep coming.

Why do both my legs look the same?

Because venous insufficiency is often bilateral — both legs have been standing in the same gravity for the same number of years. That symmetry is one of the features that distinguishes it from cellulitis.

Does this mean I will get an ulcer?

Not necessarily, but the skin changes are the stage before ulceration, and that is worth knowing rather than being told after the fact. Consistent compression and skin care are what lower the odds.

Sources

  1. Society for Vascular Surgery. Chronic Venous Insufficiency.
  2. NHS. Leg ulcer, and its diagnosis and treatment pages.
  3. NHS. Varicose veins.

Written by Tom Biernacki, DPM, FACFAS. Published 20 September 2026. General education, not medical advice.