Unfortunately, they do not give a list of medical conditions which preclude you from coming to Canada.
They state, you cannot be a health risk to Canada- means your disease must not be something that costs CAN govt a heap. If having Hep B is considered a health risk to Canada, you will not be allowed to immigrate to Canada.
My best wishes, that your condition is not chronic. However, you can contact Dr. Wahab’s Clinic, House # 3, Road # 12, Baridhara, Dhaka-1212.
Phone # 8821454, 8827553, Mobile # 01711-565444 , He does the bulk of the medical thats given by the CIC Singapore to applicants in Dhaka.