Yes. Condoms have been proven to provide protection against sexually transmitted infections (STIs). In fact, condoms are the only contraceptive method that also provides STI protection. Condoms provide different levels of risk reduction for different STIs because infections are spread differently—some are spread by contact with bodily fluids while others are spread by skin to skin contact.
In general, research shows that condoms are most effective in preventing those STIs that are spread by bodily fluids, such as chlamydia, gonorrhea, and HIV. Condoms also can reduce the risk of contracting diseases spread by skin-to-skin contact, such as herpes and human papillomavirus (HPV). However, condoms only can protect against these diseases if the sores are in areas covered by the condom.