Compression Garments for POTS: How to Choose the Right One

The pair from the pharmacy probably isn't doing much

A lot of POTS patients get told to "try compression socks" and leave it there — no strength, no length, no timing guidance. So they grab a 15 mmHg pair from the pharmacy, wear it inconsistently, feel no real difference, and quietly conclude compression "doesn't work" for them. In most cases, it was never given a real chance. The details — pressure level, length, and timing — matter enormously.

Why compression helps POTS specifically

POTS involves blood pooling in the legs and abdomen when you stand, which is part of why heart rate spikes on standing. Compression works mechanically — squeezing blood back toward the heart instead of letting it pool — and a 2021 study published in the Journal of the American College of Cardiology found that garments in the 30–40 mmHg range were most effective at reducing orthostatic tachycardia. A small 2021 trial also found compression clothing measurably reduced symptoms and blunted the heart rate spike on standing. This is a mechanical intervention with real data behind it, not just general advice to "try compression."

Pressure level: most people start too low

Standard over-the-counter socks are often only 8–15 mmHg — usually not enough to make a meaningful difference for POTS. Autonomic specialists generally recommend starting at 20–30 mmHg, with many patients needing 30–40 mmHg for real symptom relief. That said, jumping straight to the highest pressure isn't the right move either: 30–40 mmHg garments are genuinely difficult to put on and can be physically exhausting, and improperly sized firm garments can actually restrict circulation. If you can't tolerate a lighter support tight, a stronger medical-grade one is unlikely to be comfortable either — starting lighter and working up is a reasonable way to gauge tolerance.

Length matters more than most people realize

This is the detail that trips up the most people. Knee-high socks — the most common, most affordable, and most recommended by default — only address part of the problem for POTS. If blood is pooling in the thighs or abdomen, knee-high compression can just push blood upward to re-pool right above the sock line. Waist-high tights or leggings are generally considered the most effective option by autonomic specialists, since they address pooling across the whole lower body rather than just the calf. An abdominal binder combined with leg compression has also shown more benefit than leg compression alone in some research.

Timing is not optional

The single most repeated piece of guidance across POTS compression research: put garments on first thing in the morning, before getting out of bed. Once you stand up, gravity has already started pooling blood in your legs — putting compression on after that point just traps blood that's already pooled, largely defeating the purpose. This means compression genuinely needs to go on while you're still lying down, before that first trip to the bathroom or kitchen.

Getting them on without a fight

Reach inside the stocking to the heel pocket and turn the top inside out over your arm until only the foot section remains right-side out. Slip your foot in, work the fabric over your heel, then gradually roll the rest up your leg, smoothing out any wrinkles as you go — bunched fabric can act like a tourniquet and cause localised pain or swelling rather than helping.

Frequently asked questions

Sources & further reading

The information in this article is drawn from the following sources. We encourage you to explore them.

• RTHM — Compression Garments for POTS: How They Work and Which to Choose

• PoTS UK — Compression

• Cognitive FX — Compression Socks and POTS: What You Need to Know