The generic name of Jetflex is Recombinant Human Interferon α2b Spray, Recombinant Human Interferon α2b Spray is mainly sprayed on the injured or affected area, 1~2 sprays each time, 3 times a day. Recombinant Human Interferon α2b Spray is primarily used to treat primary or recurrent cutaneous herpes simplex caused by the virus, or as an adjunct to the treatment of condyloma acuminatum. When patients use recombinant human interferon alpha 2b spray, they need to clean the wound area, keep it dry, and direct the drug vertically to the wound area and spray it 1~2 times each time. However, for patients with large wounds, multiple sprays are required thus covering the entire wound 3 times a day. It should be noted that the use of the drug is contraindicated in people who are allergic to the components of recombinant human interferon alpha 2b spray. Some patients may experience adverse reactions such as burning and itching of the skin during the use of the drug, which can be relieved on their own. Patients using recombinant human interferon alpha 2b spray, need to be under the guidance of a doctor do not unauthorized use of drugs.