What should you know about frozen wart removal?

During cryotherapy, a clinician applies cold to the wart and a small margin of nearby skin. The treated area may sting, swell or form a blister, then dry into a crust. The wart can take time to shed, and a session may not clear all of the affected tissue. Warts are caused by a virus in the skin and can spread through close contact or shared items, so avoid picking and keep the area covered when advised.

Clean the site gently, follow the dressing plan and leave any blister roof or crust in place unless your clinician tells you otherwise. Wash your hands after touching it and do not share towels, nail tools or footwear used over the treated area. Wear comfortable shoes if a foot wart was treated. If the wart remains, a clinician can confirm the diagnosis and discuss the next step rather than repeatedly freezing irritated skin without guidance.

Ask for review if redness spreads, pain worsens, drainage becomes cloudy or foul-smelling, or you develop fever. Seek advice sooner if you have diabetes, reduced sensation or poor circulation. A wart that bleeds without being picked, changes in appearance or fails to heal should be reassessed.

Ask whether the growth is definitely a wart, how to protect the blister, when to return, and what alternatives exist if it persists. Mention medicines, diabetes, circulation problems or numbness before treatment.