Leg Veins: Why They Appear & How Dermatologists Treat Them

Spider veins and varicose veins are incredibly common—especially as we age or spend long periods sitting or standing. Beyond cosmetic concerns, leg veins can also cause discomfort such as aching, heaviness, swelling, or fatigue. Fortunately, dermatologists offer several safe, minimally invasive treatments to reduce or eliminate visible veins and improve circulation.

At Advanced Dermatology Care, our team provides personalized vein treatment options as part of our
Cosmetic Dermatology Services.

What Causes Visible Leg Veins?

Spider veins and varicose veins develop when the one-way valves inside your veins weaken. These valves are meant to keep blood moving upward toward the heart. When they fail, blood can pool within the vein, creating pressure that stretches and distorts the vein walls.

Over time, this leads to:

  • Twisted, bulging varicose veins
  • Web-like or branching spider veins

Common Risk Factors Include:

  • Family history of vein disease
  • Long periods of sitting or standing
  • Pregnancy
  • Aging
  • Hormonal changes
  • Sun exposure (especially for spider veins)
  • Prior injury to the area

How Dermatologists Treat Leg Veins

Treatment ranges from lifestyle adjustments to minimally invasive procedures. A customized plan is based on the severity of your veins, symptoms, and cosmetic goals.

1. Self-Care & Circulation Support

Although lifestyle changes cannot remove existing leg veins, they can prevent worsening and support healthy circulation.

Dermatologists commonly recommend:

  • Regular exercise
  • Elevating your legs
  • Taking walking breaks every 30 minutes
  • Avoiding long hot baths
  • Reducing prolonged standing

These steps help reduce swelling, heaviness, and fatigue.

2. Compression Stockings

Medical-grade compression stockings apply consistent pressure to help blood move upward and reduce swelling. While they don’t eliminate visible veins, they effectively:

  • Improve circulation
  • Reduce leg fatigue
  • Lower risk of blood clots
  • Manage symptoms of varicose veins

A dermatologist can ensure you get the appropriate fit and pressure level.

3. Sclerotherapy (Most Common Treatment)

Sclerotherapy is the gold standard for treating spider veins and small varicose veins.

How Sclerotherapy Works

  • A dermatologist injects a specialized solution into the targeted vein.
  • The solution irritates the vein walls, causing them to collapse and seal shut.
  • Over time, the vein fades as the body absorbs it.
  • Compression stockings are worn afterward to support healing.

What to Expect

  • No anesthesia required
  • Return to normal activities the next day
  • Daily walking encouraged
  • Compression stockings for 2–3 weeks
  • Spider veins fade within 3–6 weeks
  • Varicose veins fade in 3–4 months
  • Most patients need 2–3 sessions

4. Laser Treatment for Leg Veins

Laser therapy is an excellent option for treating small spider veins or small varicose veins.

During treatment, a precise beam of laser energy targets the vein, causing it to heat and collapse—without damaging surrounding skin.

Post-Treatment Expectations

  • Tiny spider veins may disappear immediately
  • Larger ones darken and fade over 1–3 months
  • Some patients need 3+ sessions
  • Compression stockings may be required briefly
  • Strict sun protection for 3–4 weeks

Laser treatment pairs well with other cosmetic procedures such as:
RF Microneedling
for patients seeking overall skin rejuvenation.

5. Endovenous Laser Therapy (EVLT) & Radiofrequency Ablation (RFA)

These modern procedures often replace surgical vein removal and treat deeper or larger varicose veins.

How EVLT/RFA Works

  • Local anesthesia is applied
  • A small incision allows insertion of a laser fiber (EVLT) or catheter (RFA)
  • Heat collapses and seals the problematic vein
  • Compression stockings are worn afterward
  • Patients resume normal activity the next day

Results
Veins gradually disappear over about 1 year.
Multiple treatments may be needed depending on severity.

Why a Physical Exam Is Essential

Before recommending treatment, a dermatologist will:

  • Examine your leg veins
  • Review your medical history
  • Determine vein size, location, and severity

Non-invasive tests may include:

  • Doppler ultrasound to measure blood flow
  • Plethysmography to evaluate circulation and detect abnormalities

These tests ensure that treatment is safe and appropriately matched to your condition.

Insurance & Costs

Insurance may cover leg vein treatment when it is medically necessary (e.g., painful varicose veins, swelling, or ulcer risk).
Purely cosmetic treatment is usually not covered.

To discuss treatment options and coverage, visit our:
New Patients page.

Why Experience Matters

Results depend heavily on the skill of the provider. Dermatologists pioneered many of the minimally invasive vein treatments used today and have extensive training in:

  • Cosmetic procedures
  • Vascular assessment
  • Laser technology
  • Injection safety

Choosing a board-certified dermatologist ensures safe, effective, customized care.

Take the Next Step

If visible veins or leg discomfort are affecting your confidence or quality of life, our team can help. Schedule your consultation through:
Cosmetic Dermatology Services
New Patients