Is it possible to get a toenail fungus by showering with someone who has it?

No: Although fungus likes dark moist environment and could be in your shower. It also needs trauma to get under your nail. So unless you are banging your toe in the shower you dont have to worry about. Bleach and uv light could eradicate the fungus in your shower. Dont apply bleach to your body.

Possibly: . Showering with someone that has toenail fungus will expose you to the fungus. However, it takes more than just exposure to get the infection. Some people are more susceptible to the infection than others are. In addition, the fungus needs the right environment to grow. By thoroughly cleaning and drying your feet after the exposure, you will decrease the chances of catching the infection.