As a symbol of protection, condoms in dreams symbolize both physical and psychological protection from vulnerability in intimate relationships.
If a condom features in your dream, it might help to see it not only as a reminder that you are using appropriate contraception, but also as a warning to check you are dealing with loved ones in a caring and respectful way. See also SEX AND EROTICA.... The Element Encyclopedia
The appearance of contraceptive pills, coils, condoms or other methods of birth control in your dream suggests your thoughts and feelings about preventing pregnancy. It may also express worries about sexual contacts.
Another interpretation suggests that it indicates feelings or attitudes regarding responsibility and is connected with sexual decisions and feelings.... The Element Encyclopedia
You are unlikely to have dreams about riding a horse instead of using a car. Today our dreams are filled with cars, televisions, plastic surgery, airplane crashes and the most common contemporary images include: shopping centers, computers, car parks, factories, hospitals, broken glass, and condoms. Such images work with the same logic and consistency as all symbols and they also have both universal and individual meanings. See also EVERYDAY THINGS.... The Element Encyclopedia