How Footwear Causes Ingrown Toenails: A Surgeon's Plain-English Explanation

By Dr. Christopher R.D. Menke, DPM, FACFAS — Double Board-Certified Foot & Ankle Surgeon, Founder of 26 Apothecary

How Footwear Causes Ingrown Toenails: A Surgeon’s Plain-English Explanation

Ingrown toenails — onychocryptosis — show up in my clinic year-round, but there is a predictable seasonal spike every summer and every fall, when people shift into new athletic shoes, return to dress code footwear, or break in boots for the colder months. The timing is not a coincidence. The common thread in most of those presentations is footwear that compresses or mismanages the forces on the nail unit. Understanding that relationship is the first step toward preventing a condition that, when left unmanaged, can escalate into a painful infection requiring in-office or surgical intervention.

Dr. Christopher R.D. Menke, DPM, FACFAS — double board-certified in foot surgery and rearfoot and ankle reconstruction, practicing since 2008 — explains the mechanics of footwear-driven ingrown toenails and the selection principles that protect nail health.

What Is an Ingrown Toenail?

An ingrown toenail occurs when the lateral edge of the toenail — most commonly the hallux, or big toe — grows into or is compressed against the adjacent soft tissue of the nail fold. The result is pain, redness, swelling, and, if the skin barrier is broken, the potential for bacterial infection and abscess formation.

How Tight Toe Boxes Drive Ingrown Toenails

The toe box is the front section of a shoe that houses the toes. When the toe box is narrow, shallow, or angled — as in pointed-toe dress shoes, tapered athletic shoes, and high heels — the lateral borders of the toenails are subjected to constant, repetitive lateral compression. The nail, which is a rigid structure, has nowhere to go except into the soft tissue beside it.

This process is gradual. The first few weeks of wearing a new narrow shoe may produce no symptoms. Over time, the repeated lateral compression causes the soft tissue of the nail fold to hypertrophy — to thicken and grow inward — creating the characteristic pain and pressure of an established ingrown toenail.

The Role of High Heels

High-heeled shoes compound the problem through a different mechanism. Heel elevation shifts the center of gravity forward, transferring a disproportionate percentage of body weight onto the forefoot and toes. This increased plantar pressure on the distal phalanges — the toe bones — creates a compressive force on the nail unit from below and in front simultaneously.

Women who wear heels of two inches or more on a regular basis are at meaningfully elevated risk for both ingrown toenails and subungual conditions. This is not an argument against heels categorically. It is a clinical rationale for rotating footwear, allowing the forefoot adequate decompression time, and selecting the widest available toe box in any heeled shoe.

Athletic Shoes: The Underappreciated Risk

Athletic shoes are generally designed with foot health in mind, but two scenarios create ingrown toenail risk. The first is improper fit — specifically shoes that are too short. The second is wear pattern — athletic shoes past their structural lifespan develop lateral compression in the toe box as the materials compress and lose their original geometry.

What Footwear Actually Protects Nail Health

Three characteristics define a nail-protective shoe: a wide, rounded toe box; adequate length with at minimum a thumb-width of space between the longest toe and the front of the shoe; and low heel-to-toe drop to keep plantar pressure distributed across the full foot rather than concentrated at the forefoot.

Nail Trimming: The Other Controllable Factor

Footwear is the environmental driver. Nail trimming technique is the mechanical driver. The correct technique is to trim straight across, leaving the lateral corners intact, at a length flush with or slightly beyond the end of the toe. Never cut down into the nail groove.

When to See a Foot and Ankle Specialist

• An ingrown toenail that is red, warm, swollen, draining, or showing signs of infection
• Recurrent ingrown toenails despite footwear and trimming changes
• Any ingrown toenail in a person with diabetes, peripheral arterial disease, or compromised sensation in the feet
• Pain that limits daily function or shoe wear for more than a few days

Frequently Asked Questions

Can I fix an ingrown toenail at home?

Mild early-stage ingrown toenails — where the nail edge is irritating, but the skin is intact — can often be managed at home with proper footwear, warm water soaks, and careful trimming technique. Any sign of infection, drainage, or significant pain warrants evaluation by a podiatrist rather than home management.

Do certain nail shapes make ingrown toenails more likely?

Yes. People with involuted nail plates — nails that curl more steeply down at the lateral edges — are genetically predisposed to ingrown toenails regardless of footwear. For these individuals, conservative footwear choices are particularly important, and some may benefit from periodic nail care by a podiatrist.

How long does an ingrown toenail take to heal after treatment?

For in-office nail procedures, most people experience meaningful pain relief within 24 to 48 hours and complete soft tissue healing within two to four weeks, depending on whether infection was present.

Are ingrown toenails more common in certain age groups?

Ingrown toenails are most common in adolescents and young adults — a combination of rapid nail growth, athletic footwear, and less consistent nail care — and in older adults, where nail thickening, reduced circulation, and footwear fit changes increase risk.

About the Author

Dr. Christopher R.D. Menke, DPM, FACFAS is a double board-certified foot and ankle surgeon — board-certified in both foot surgery and rearfoot and ankle reconstruction. He completed his podiatric medical training at Temple University School of Podiatric Medicine in 2005 and his residency at Northlake Medical Center and DeKalb Medical in Georgia, completing in 2008. He is the founder of 26 Foot and Ankle and 26 Apothecary, and the founder of Surgeons of Service, a Georgia-based humanitarian surgical nonprofit. Every product in the 26 Apothecary catalog was selected through the same clinical lens Dr. Menke applies in the exam room and the operating room.