Plantar Wart Treatment: What the Freezing-versus-Acid Trial Found

A stubborn spot on the sole may prompt a choice between a home wart treatment and office freezing. If you are making that decision during GLP-1 treatment, start with a diagnosis and a foot-health review. A randomized comparison of these options had specific eligibility rules.

Compare the full treatment courses

Clinicians delivered liquid-nitrogen freezing up to four times, two to three weeks apart. The comparison group applied 50% salicylic acid daily for up to eight weeks. These were study regimens, not directions to select that concentration yourself. [1]

At six months, self-reported clearance was 29 of 95 with acid and 33 of 98 with freezing, again without a significant difference. There was no untreated group to measure spontaneous clearance. The trial excluded impaired healing, including from diabetes or vascular disease, and neuropathy. [1]

The comparison concerned clinician-delivered liquid nitrogen and one acid regimen. It cannot rank every home freezing device or acid formula.

Diabetes and reduced sensation change the discussion

AAD advises seeing a dermatologist for warts if you have diabetes. Before using salicylic acid, it recommends discussing diabetes, poor circulation or neuropathy with the dermatologist. Uncertainty about the diagnosis, a changing growth, bleeding, pain or failed home treatment also warrants assessment. [2]

Include the reason for your GLP-1 prescription when giving your medical history. List other medicines and describe any numbness or circulation problems. This wart trial did not test GLP-1 treatment, and taking a GLP-1 medicine does not establish that its participants match your foot-health circumstances.

Ask about soreness, repeat visits and aftercare

AAD explains that freezing can be painful and commonly needs repeat visits, often two to four weeks apart. Crusting or a blister may follow. Skin lightening, darkening or scarring can occur. Ask how the proposed treatment and aftercare fit your walking, footwear and work routine. [3]

A rapidly growing lesion, an open-sore appearance or failure to clear may lead the dermatologist to consider a biopsy. Examination can establish whether the spot is a wart or another condition before more destructive treatment is attempted. [3]

Have a stopping rule for home treatment

If a clinician recommends salicylic acid, follow the selected product's package directions. AAD says to stop the product and see a dermatologist if pain, bleeding or blisters develop. Extremely sore or irritated skin is also a reason to pause treatment. [2]

Keep photographs and dates of prior treatments for the appointment. Note whether discomfort affects walking and whether the spot has changed. For another pressure-related foot concern, read the corns and foot-pressure guide. For general foot dryness, see the dry-heel care guide.

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This article provides general education, not a diagnosis or an individual treatment plan. Medication information refers to US sources. Discuss medication, nutrition and cosmetic treatment decisions with qualified clinicians.