The effect of recombinant human interferon a2b gel after freezing is mainly to improve the body’s antiviral ability, and it is mainly used in the clinical treatment of warts, herpes zoster, genital herpes, herpes of the mouth and lips, and so on. In the use of recombinant human interferon a2b gel for the treatment of viral skin diseases, occasionally mild itching, burning pain, usually can be relieved on its own, do not need to stop using the drug. Allergic to interferon is prohibited for people with a history of allergy should be used with caution. If you need to use recombinant human interferon a2b gel, it is recommended to use the drug under the guidance of a doctor, do not blindly self-medication to avoid side effects.