Artificial interferon a2b gel can be used in different parts of the body, if the cervical area is used is not allowed to cohabit, if used in other parts of the body does not affect cohabit. 1. Artificial interferon a2b gel can be used for the treatment of human papillomavirus (HPV) infection, for vaginal administration. Because HPV can be transmitted through sexual intercourse, it is necessary to avoid sexual intercourse during the treatment period to prevent the transmission of the virus to the partner, and the vaginal environment will also be affected by the stimulation of sexual intercourse, and coitus is not conducive to the recovery of the disease during this period. 2. Artificial interferon a2b gel treatment course is longer, usually need three months. However, if HPV infection already exists at the time of examination, even if you wear a condom, it is generally not recommended to have sex, in order to prevent the condom rupture will be transmitted to men. 3. Artificial interferon a2b gel does not affect coitus when it is used on the site of herpes zoster, oral herpes and other diseases. It is recommended to pay attention to the cleanliness and hygiene of the perineum when using artificial interferon a2b gel and change underwear frequently to avoid cross-infection and aggravation of the condition.