The probability of transmitting hepatitis B to your spouse depends on whether your spouse has been vaccinated against hepatitis B. If you have been vaccinated against hepatitis B, it is generally not contagious, but if you have not been vaccinated against hepatitis B, the probability of transmitting hepatitis B to your spouse is very high.
Hepatitis B is a contagious disease, mainly through blood transmission, mother-to-child transmission and sexual contact transmission, if the spouse has received the hepatitis B vaccine, most people are able to prevent infection of hepatitis B, so generally will not be infected.
However, a small number of people may not be able to produce antibodies, so it is also possible to be infected, but the probability is relatively small. However, if your spouse has not been vaccinated against hepatitis B, you may transmit the hepatitis B virus to your spouse when you have sex, and the chance of infection is very high.
Hepatitis B is a viral infection, if infected with hepatitis B, should actively go to the hospital to receive treatment, you can use some antiviral drugs under the guidance of the doctor, such as lamivudine or entecavir and so on. In addition, if one of the husband and wife is suffering from hepatitis B, the other one should be actively vaccinated against hepatitis B to avoid cross infection.