It is possible to get syphilis without having sex, because although syphilis is a sexually transmitted disease, it can also be transmitted through blood or body fluids or other means, so it is possible to get syphilis without having sex. A very coincidental situation, such as your hand happens to be injured, when you go out and touch the blood of syphilis, AIDS patients, you may also be infected with syphilis, AIDS, but the chances of this are very small. The most common form of syphilis is acquired mainly through sexual transmission. As long as you are clean, this disease will be very far away from you. So the answer to whether you can get syphilis without having sex is not yes, but as long as you protect yourself, you will not get syphilis.