The answer you are looking for is here: yes, yeast infections are contagious. The bacteria that cause yeast infection can be passed back and forth in a sexual active couple by coming in contact with the genital secretions. A man can also have Candida without showing any symptoms at all, he is called a carrier because he is infected even without showing symptoms and can infect a healthy partner, the treatment for that is mostly a light antibiotics cure.

The vaginal yeast infection can be treated by having a healthy and organic diet, avoiding most carbohydrates because it's been known that a low carbohydrates diet keeps the stomach stress free and the infections away, also you may consider eliminating all sweets from your diet because sugar is the food of yeast. It is known that people who have diabetes are mostly exposed to having yeast infections.

Yeast infections are contagious, but you can also cure them easily with only some homemade remedies and a proper diet.

To have a normal intimate life, without any bacterial infections disturbing it, you can consider a simple healthy and organic diet and some tips about the local hygiene that will keep the infection from spreading. Here you have some basic hygiene rules you can follow and you will definitely see some improvements in your condition:

1. First, try to use only 100% cotton underwear and lingerie that comes in direct contact with your skin.
2. Don't use tight pants and lingerie; let your skin breath in some comfortable clothes.
3. Wash the lingerie on 60-90 Celsius degrees to kill any bacteria and prevent spreading it anymore.
4. Use a condom during the treatment, to protect you and your partner from passing yeast infection.