What Are Some Common Side Effects of Freezing Warts?

What Are Some Common Side Effects of Freezing Warts?

Some common side effects of freezing warts include skin irritation and swelling, WebMD explains. There is a small chance for infection of the area. Signs of an infection include a fever of over 100 degrees Fahrenheit, discharge of pus and red streaks in the area.

Cryotherapy is freezing a wart using a cold substance, generally liquid nitrogen. It's a common treatment for warts and is generally done in a doctor's office, according to WebMD. The application of the liquid nitrogen usually takes less than a minute.

The pain from the procedure usually lasts a couple of days and healing takes seven to 14 days, WebMD notes.