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Backpacker Magazine – February 2008

How to Prevent Blisters

Sweaty feet, thick socks, and sturdy boots are a blister cauldron. Learn four easy ways to keep your feel clean, dry, and blister free.

by: Kat Leitzell

Subtitles: 4 remedies to reduce blisters, chafing, and odor

Stuffed inside wool socks and cramped boots, your feet have every right to perspire. And they will–through more than 125,000 sweat glands on the sole of each foot. That's not a problem if your body has a typical cooling system; just hike all day, air-dry boots and socks at night, and continue the next morning in comfort. But hikers who sweat more than usual or suffer from overactive sweat glands–a condition called plantar hyperhidrosis–can find themselves in trouble on the trail. Excessively sweaty feet can increase the odds of getting blisters and infections, produce terrible foot odor, ruin socks and footwear, and create conditions for cold injuries like frostbite and trench foot. Here's how to handle the excessive perspiration.

Absorb
Wear polyester or wool socks that wick away moisture. Exchange wet socks for a dry pair as often as possible. Tie the soaked socks to the outside of your pack, where they'll dry out as you hike–even in cold weather. Dry boots overnight by propping the tongues open with twigs.

Apply
Use extra-strength antiperspirant creams, roll-ons, or powders to reduce sweating and odor. Bromi-Lotion Antiperspirant cream ($12.50; americarx.com) contains aluminum hydroxychloride, an ingredient to block skin pores that's stronger than what's found in regular deodorants. Equally effective is Certain Dri Antiperspirant ($5; americarx.com), a fragrant-free roll-on with aluminum chloride that won't wash off in water, and can be applied to feet several times a week at bedtime. Fight fungus and chafing skin with Gold Bond Medicated Foot Powder or Zeasorb, a talc-based absorbent powder; both are available at drug stores.

Support
Buy aftermarket insoles specifically designed to absorb sweat, like DryZ foam cushions ($16-$21; shoeline.com), which wick foot moisture and store it in the insole's gel-like core (to evaporate later when you remove your boots).

Treat
Consult a doctor for serious cases of plantar hyperhidrosis that don't respond to over-the-counter remedies. Long-lasting solutions include skin surgery, botox injections, and iontophoresis; the latter is a noninvasive electro-chemical treatment that clogs sweat glands, and can be administered periodically by a dermatologist.


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Reader Rating: -

READERS COMMENTS

Super glue on the hot spots, it gives a much less expensive "second skin" so that it wears off before the blister forms. This is really helpful for me, BUT ONLY BEFORE the blister forms. AFter--OUCH!
Posted: May 18, 2009 Nancy

Sweaty Feet stink! Wrap 'em up!
Posted: May 18, 2009 TBA

Two words: HOCKEY TAPE!
WHEN: before I leave and every morning until I am home. Haven't had a blister since.
Posted: Mar 01, 2009 Twila

I've been taping with Johnson & Johnson first-aid tape after blisters appear (so i know where to tape), but the blisters keep forming under the tape. Specifically on the top inner-side of the big toes and the top and bottom of both #4 toes. What could be the problem? Any help or advice is greatly appreciated!
Posted: Jun 11, 2008 Don

gold bond foot powder is a life saver. it help keep your feet dry.i know becuase after 45 miles your sock are wet with sweat.
Posted: May 14, 2008 trev

The one thing I probably bring to much of are socks. Of course, in my opinion you can never have enough of them. The difference between a horrible trip and a once-in-a-lifetime trip can often be how your feet feel. I change my socks during every break and if there is a steam nearby, I'll rinse them out and let them dry on my backpack. I also use Dr Scholls foot powder (fill up a couple film canisters depending on length) and also put duck tape over the "trouble spots" on me feet before I get started. The best way to cure a blister is to take the necessary steps before the hot spot even develops.
Posted: Apr 20, 2008 Logan

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