By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published July 10, 2025
How Varicose Veins Develop: The Valve Failure Explained
Compression Therapy: The First Line of Defense for Varicose Veins. When leg swelling, heaviness, or varicose veins appear, many patients assume surgery is their only solution. In reality, conservative treatments, especially compression therapy, often provide significant relief without invasive procedures.
Healthy veins rely on one-way valves to move blood upward. When these valves weaken, blood pools in the lower legs, causing swelling, discomfort, and visible varicose veins. This backward flow of blood, called venous reflux, causes veins to enlarge, twist, and become varicose over months and years.
Why Compression Therapy Works for Varicose Veins and Venous Insufficiency
Compression stockings apply graduated pressure (tighter at the ankle, lighter at the calf), improving blood flow and reducing pooling. When worn consistently, they:
- Reduce swelling
- Ease pain and heaviness
- Prevent further vein damage
- Support wound healing
Patients often report more leg comfort and say their legs feel lighter while wearing compression – a clear sign that vein disease is the culprit and can be treated. Compression therapy does not correct the underlying valve dysfunction — it manages the consequences of that dysfunction. Think of it as a brace that supports a weak joint. Effective, but not a cure. When compression no longer provides adequate relief, minimally invasive procedures can correct the valves directly.
Expert Compression Therapy Guidance at Medical Vein Clinic San Antonio
At Medical Vein Clinic, compression therapy is prescribed and monitored by board-certified vein specialists led by Dr. John Hogg, MD, DABR, DABVLM — a radiologist specializing in vascular and interventional radiology with more than 30 years of experience. We measure and fit compression stockings in clinic, document your response to therapy, and use that documentation to support insurance approval for further treatment if needed. Our two San Antonio locations make it easy to get started.
Watch: How Compression Therapy Helps Varicose Veins
Types of Compression Stockings: Which Level Is Right for You?
Medical-grade stockings (20–30 mmHg compression):
Effective and now available in comfortable, stylish designs. Medical-grade stockings are prescribed in specific mmHg (millimeters of mercury) compression levels. 20-30 mmHg is the most common starting point for varicose veins and venous insufficiency. Higher levels (30-40 mmHg) are used for more advanced disease or lymphedema. A proper fit requires measurement by a specialist.
Adjustable garments and bandaging systems:
Ideal for severe cases or those needing easier daily use. Adjustable wrap systems use Velcro closures instead of tight elastic, making them easier to put on and take off — especially for patients with limited hand strength or mobility. They are particularly useful for patients with chronic wounds or severe swelling.
Most insurance plans cover medical-grade compression stockings when prescribed by a physician for documented venous insufficiency. Most plans also require six to twelve weeks of documented compression use before approving minimally invasive varicose vein procedures. Medical Vein Clinic helps patients navigate this process and documents compression therapy outcomes for insurance approval.
How Consistently Wearing Compression Stockings Improves Results
Studies show 70–80% of patients’ symptoms improve when wearing compression daily. Consistency is the key to success. Studies show 70-80% of patients experience symptom improvement with consistent daily compression wear, according to vascular medicine research. The key is wearing stockings from the moment you get up until you go to bed. Putting them on after swelling has already developed is significantly less effective than wearing them preventively from the start of the day.
Using Compression as a Diagnostic Tool: What Your Response Tells Us
If compression relieves your symptoms, vein disease is likely the culprit of leg heaviness, pain, and discomfort. If not, other conditions like arthritis may be the cause. This is a simple but powerful clinical principle we use at Medical Vein Clinic. Before ordering imaging, we often recommend a trial of compression. If your symptoms improve significantly with compression, it confirms that venous insufficiency is the primary driver — not arthritis, musculoskeletal problems, or other causes of leg pain. This helps us target treatment more precisely.
When to Move Beyond Compression: What Comes Next
At Medical Vein Clinic, we recommend conservative care first. Compression therapy offers safe, effective relief, often eliminating the need for more invasive treatments. If you’re experiencing leg pain, swelling, and other symptoms, schedule your vein screening today and explore your conservative treatment options. At Medical Vein Clinic, insurance plans typically require documentation of at least six to twelve weeks of compression therapy before approving minimally invasive procedures like radiofrequency ablation or Varithena. We guide patients through this process and document their response to compression therapy to support insurance approval. If compression alone is not providing sufficient relief, the next step is a diagnostic ultrasound to map the affected veins and plan targeted treatment.
Watch: Compression Stockings vs. Minimally Invasive Treatment — What Patients Need to Know
Call Medical Vein Clinic at 210-622-8000 or book your vein screening online at medicalveinclinic.com/book-an-appointment. We have two San Antonio locations: Stone Oak at 18831 Meisner Drive and Northwest San Antonio at 5742 W. Loop 1604 N. Most insurance plans require documented compression therapy before approving varicose vein procedures — we help you through that process.
Healthy Legs Take You Further™
Frequently Asked Questions About Compression Stockings for Varicose Veins
Do compression stockings cure varicose veins?
No. Compression stockings manage symptoms but do not cure varicose veins or repair damaged vein valves. They improve circulation and ease aching, heaviness, and swelling by gently squeezing the legs to help blood flow back toward the heart. They are an important first step, but the only way to eliminate varicose veins is to close the damaged veins with a procedure like radiofrequency ablation, Varithena, or VenaSeal.
What mmHg compression level do I need for varicose veins?
Compression is measured in millimeters of mercury (mmHg), and the right level depends on your symptoms and how advanced your vein disease is. Many patients with varicose veins use a moderate medical-grade compression, but the correct strength should be set by your physician after an evaluation. Wearing the wrong level can be ineffective or uncomfortable, which is why we recommend getting fitted based on your specific case.
How long do I have to wear compression stockings each day?
For best results, wear them during your waking hours, putting them on in the morning and taking them off at night. At Medical Vein Clinic, we ask patients to wear compression stockings daily for three months of conservative care, which also confirms whether your veins are the cause of your symptoms. After a procedure, patients wear them for about three weeks to support healing.
Can I buy compression stockings over the counter or do I need a prescription?
Lighter, over-the-counter compression stockings are available at most pharmacies and can help with mild symptoms. Higher, medical-grade compression is best used under a physician’s guidance to make sure you have the right strength and fit for your condition. If you have diagnosed vein disease, talk with us before buying so you get the level that will actually help.
Does insurance cover compression stockings for varicose veins?
Coverage varies by plan. Many insurers cover medical-grade compression stockings when they are prescribed for a documented vein condition, and the three-month trial of compression is often a requirement before insurance will approve a procedure. We verify your benefits before your appointment. Call 210-622-8000 to confirm what your plan covers.
What happens if compression stockings stop helping?
If your symptoms continue despite consistent daily use, that is a sign your vein disease may need more than conservative care. In fact, when symptoms improve with compression and then return, it confirms that faulty veins are the cause and that you likely qualify for a procedure. At that point we map your veins with ultrasound and discuss minimally invasive treatment options that address the source of the problem.
Can men wear compression stockings for varicose veins?
Yes. Compression stockings work the same way for men and women, and men develop varicose veins too. They come in a range of styles, including options that look like regular dress or athletic socks. The key is the right compression level and fit, not gender.
How do I know if my compression stockings are working?
You should notice less aching, heaviness, swelling, and fatigue in your legs by the end of the day, especially compared to days without them. Improvement in your symptoms while wearing them is also a useful diagnostic signal, since it points to your veins as the source. If you see no improvement after consistent daily use, let us know, as it may mean you need a different compression level or a closer look at your veins.
