No side effects. Cryopreservation with liquid nitrogen is a physical therapy method. When sprayed locally at low temperature, the diseased tissues will be denatured, necrotic and shed, which will not affect life.

It has some influence on our daily life. Water should be avoided. Avoid spicy food. Avoid burns and scratches. Liquid nitrogen cryotherapy is a method to treat some diseases by applying liquid nitrogen to produce deep hypothermia and acting on local tissues.