Educational Articles So You Can Go Further

San Antonians know August isn’t just hot. It’s relentless. The days routinely climb into the upper 90s and triple digits. More importantly, our nights often stay around 76°F, giving your body little chance to recover before the next day begins. That prolonged heat takes a toll on your heart, circulation, and overall health. August is […]

By John S. Hogg, MD, DABR, DABVLM, RPVI, RPhS, RVT, RVS Founder, Medical Vein Clinic® If you’ve lived in San Antonio for long, you already know two things. First, nobody does Tex-Mex better. Second, food here is how we gather. We bring breakfast tacos to work, spend Saturday mornings making homemade salsa, and argue about […]

By Dr. John S. Hogg, DABR, DABVLM, RPVI, RPhS, RVT, RVS | Founder, Medical Vein Clinic® You research everything for the people you love. When your child needs a specialist or a parent gets a new diagnosis, you read, ask questions, and walk into the appointment prepared. Vascular disease deserves the same homework, but most […]

Dr. John S. Hogg, DABR, DABVLM, RPVI, RPhS, RVT, RVS | Founder, MedicalVein Clinic® The most common vein question I hear from women has nothing to do with varicose veins. It’s some version of this: “Dr. Hogg, I’ve started noticing more veins in my legs. Is this normal, or is something wrong?” In response, I […]

By Dr. John Hogg, MD, DABR, DABVLM, RPVI, RPhS, RVT, RVS, Founder, Medical Vein Clinic Women’s veins age on a hormonal schedule, not a fixed one. As estrogen drops through the40s and 50s for females,  collagen in the vein walls thins, the valves that push blood up the legs lose their grip, and arteries begin […]

By John Hogg, MD, DABR, DABVLM, RPVI, RPhS, RVT, RVS — Founder, Medical Vein Clinic Healthy veins and arteries both play big roles in keeping your circulation humming. Arteries carry oxygenated blood from your heart to your legs. Veins return that blood to your heart. All goes well until venous and/or arterial disease comes into […]

By the Medical Vein Clinic Clinical Team | Reviewed by Dr. John Hogg, MD, DABR, DABVLM, Board-Certified Radiologist and Vein Specialist Yes, heat can make leg swelling worse, especially for people with vein disease, poor circulation, lymphedema, or chronic venous insufficiency. When the outside temperature rises, blood vessels expand to help cool the body. That […]

A Patient’s Story by Zenda W. “They didn’t just heal my legs. They gave me back my hope.” A few years ago, I ended up in the hospital with sepsis and severe swelling in my legs. I had 14 open ulcers. I spent weeks in rehab, wrapped up and going through physical therapy, but no […]

Published by the Medical Vein Clinic Clinical Team | Medically reviewed by Dr. Joshua Trock, DPT, RVT, CLT-LANA, Lymphedema Specialist A Patient’s Journey Through Lymphedema, Heart Failure, and Recovery This is the story of Judith Divvens, a San Antonio patient who spent years misdiagnosed and deteriorating before finding Medical Vein Clinic. At her worst, Judith […]

By Dr. John Hogg, MD — Board-Certified Radiologist, Vascular Specialist, and Founder of Medical Vein Clinic San Antonio | Published March 25, 2026 Bone loss and vein disease are more closely connected than most people realize, and the link is estrogen. When estrogen drops during perimenopause and menopause, it weakens both bone density and vein […]