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Preventing Blisters While Running: Essential Tips for Happy Feet

running in heat

Blisters are a common and painful problem for runners, often caused by friction, moisture, and poorly fitting shoes. These fluid-filled pockets of skin can disrupt training and make running a less enjoyable experience. 

Understanding Blisters

Blisters form when repetitive friction causes the top layer of skin to separate from the underlying layers, creating a fluid-filled pocket. Common causes include:

  • Friction: Repeated rubbing from shoes or socks.
  • Moisture: Sweat and wet conditions can soften the skin, making it more susceptible to blisters.
  • Heat: Excess heat can increase sweating and friction.
  • Poorly Fitting Shoes: Shoes that are too tight or too loose can cause rubbing.

Tips to Prevent Blisters

  1. Choose the Right Shoes:

    • Proper Fit: Ensure your running shoes fit well. There should be enough room in the toe box for your toes to move freely, but the heel should be snug to prevent slipping.
    • Break Them In: Don’t wear new shoes on long runs immediately. Gradually break them in by wearing them on shorter runs.
    • Replace Worn-Out Shoes: Over time, shoes lose their cushioning and support. Replace them regularly to maintain proper foot support and reduce friction.
  2. Select the Right Socks:

    • Moisture-Wicking Materials: Wear socks made from moisture-wicking fabrics like polyester or merino wool. Avoid cotton, which retains moisture.
    • Seamless Socks: Choose seamless or low-seam socks to reduce friction points.
    • Proper Fit: Ensure your socks fit well and do not bunch up inside your shoes.
  3. Keep Your Feet Dry:

    • Powder: Use foot powder or cornstarch to keep your feet dry and reduce friction.
    • Change Socks: For long runs or in wet conditions, consider carrying an extra pair of socks to change into if your feet get wet.
  4. Lubricate Your Feet:

    • Anti-Chafing Products: Apply an anti-chafing balm or petroleum jelly to areas prone to blisters. Popular products include BodyGlide and Vaseline.
    • Preventative Taping: Use adhesive tape or moleskin on high-friction areas like the heels and toes.
  5. Keep Your Feet Conditioned:

    • Gradual Increase in Mileage: Increase your running mileage gradually to allow your feet to adapt and toughen up.
    • Foot Care Routine: Regularly moisturize your feet to keep the skin supple and less prone to blisters. Dry, cracked skin can increase friction.
  6. Pay Attention to Hot Spots:

    • Early Intervention: If you feel a “hot spot” developing during a run, stop and address it immediately. Apply lubricant or tape to prevent a blister from forming.
  7. Double-Sock Technique:

    • Double Layering: Some runners find that wearing two pairs of thin socks or special double-layer socks can reduce friction and prevent blisters.
  8. Proper Lacing Techniques:

    • Secure Fit: Use different lacing techniques to ensure your shoes fit securely and comfortably. Lock lacing can help prevent heel slippage and reduce friction.

Conclusion

Blisters can be a painful setback for runners, but with the right strategies, they’re largely preventable. By choosing well-fitting shoes, wearing the right socks, keeping your feet dry, and taking proactive steps to reduce friction, you can keep your feet healthy and your runs enjoyable.

At Princeton Sports and Family Medicine, P.C., our doctors specialize in sports medicine services, including exercise counseling to aid in your heat acclimation.

Call or click to book a session with our professionals at Princeton Sports and Family Medicine, P.C. We offer sports performance evaluations to stop problems before they start. Plan your visit today.

Pay attention to your body, address any issues early, and follow these tips to run blister-free. Happy running!

 

Author
Peter Wenger, MD Peter C. Wenger, MD, is an orthopedic and non-operative sports injury specialist at Princeton Sports and Family Medicine, P.C., in Lawrenceville, New Jersey. He is board certified in both family medicine and sports medicine. Dr. Wenger brings a unique approach to sports medicine care with his comprehensive understanding of family medicine, sports medicine, and surgery. As a multisport athlete himself, he understands a patient’s desire to safely return to their sport.

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