Which STD is caused by pubic lice?

Pubic lice is not considered to be a sexually transmitted disease (STD). It is a parasitic infection caused by tiny insects that live in the pubic hair. Although it can be spread through sexual contact, it can also be spread through close non-sexual contact, such as sharing towels or bedding with an infected person. Public lice is treated with medicated shampoos or lotions that kill the lice and eggs.