By: John S. Hogg, MD, DABR, DABVLM, RPVI, RPhS, RVT, RVS
One of the most important parts of my job is helping patients recognize the warning signs of vascular disease early, before it becomes something serious.
Peripheral artery disease, or PAD, is a common condition that limits blood flow to the legs. It often develops slowly, so many people mistake the symptoms for “just getting older.” But when circulation gets too low, it can lead to a dangerous condition called acute limb ischemia, a sudden loss of blood flow that requires immediate medical care.
To make it easy to remember the warning signs, we often talk about what’s known as the “5 P’s.” You don’t need to have all 5 of these symptoms to have PAD. Just one or two is a good indicator to get checked out by a board-certified arterial specialist, like Dr. Gianis at Medical Vein Clinic.
The 5 P’s Explained
Pain
If your legs ache even when you’re resting, don’t brush it off. Pain that sticks around, even when you sit or lie down, can mean your blood isn’t flowing the way it should.
Pallor
If one leg or foot looks pale, gray, or washed out compared to the other, it can be a sign that blood isn’t reaching the tissue properly.
Paresthesia
This one can feel like tingling, numbness, or “pins and needles.” It happens when your nerves aren’t getting enough oxygen-rich blood.
Pulselessness
In more severe cases, the pulse in your foot or ankle might be faint or missing altogether because circulation is weak.
Paralysis
If your leg suddenly feels weak or you can’t move it, that’s a medical emergency. It means blood flow has dropped off sharply, and you need immediate care.
💭The 5 P’s – Pain, Pallor, Paresthesia, Pulselessness, and Paralysis – are your body’s way of sounding the alarm for poor circulation.
When It’s an Emergency
PAD usually develops over time, but if these symptoms appear suddenly, it could be acute limb ischemia, a serious, time-sensitive emergency. Don’t wait it out. Get checked right away.
Other Warning Signs
Not everyone will have all five symptoms. Some people notice smaller changes, like:
- Coldness in one leg or foot
- Slower toenail or hair growth
- Wounds or sores on the feet that take forever to heal
These might not seem urgent, but they’re early signs that your circulation needs attention.
💭 A pale, cold, or numb leg isn’t just uncomfortable – it could mean your tissues aren’t getting the blood flow they need.
Why It Matters
PAD doesn’t just affect your legs. It affects your independence, your comfort, and your long-term health. The sooner we catch it, the easier it is to treat. With proper diagnosis and care, most people can restore healthy blood flow, stay active, and avoid serious
complications.
At Medical Vein Clinic, our team focuses on early detection and treatment to keep you moving and living wel
💭 Healthy circulation is the foundation of mobility, healing, and longevity.
The Bottom Line
If you notice any of the 5 P’s – Pain, Pallor, Paresthesia, Pulselessness, or Paralysis – don’t ignore them. These are your body’s warning signs that something isn’t right. Listen early, act quickly, and you can protect your health for the long run.
About Medical Vein Clinic
Medical Vein Clinic in San Antonio specializes in venous, arterial, and lymphatic disorders and is proud to be affiliated with the National Lymphedema Network. Dr. John Hogg, MD, DABR, DABVLM, RPVI, RPhS, RVT, RVS, is a board-certified radiologist specializing in Vascular & Interventional Radiology and the CEO/Founder of Medical Vein Clinic. With more than 30 years of experience, he leads a team of specialists physicians in a patient-first approach, providing advanced, compassionate care for those living with or at risk of lymphedema. To learn more, visit www.medicalveinclinic.com or call 210-622-8000 to set up an evaluation.
Healthy Legs Take Your Further.