For one thing, the vaginal itching and burning associated with yeast infections may make sex uncomfortable or painful and increase vaginal burning and inflammation. Some vaginal yeast infections present with severe symptoms, and some woman have a disease such as HIV that makes treatment more challenging and requires a longer course of medication. The risk of men getting a yeast infection through sex is low, but up to 15 percent of men may get an uncomfortable rash on their penis if they have unprotected sex with a woman who has a yeast infection. In a study published in the Journal of Women's Health, researchers found that women were more likely to get repeat yeast infections if they recently engaged in cunnilingus oral sex involving the vagina or masturbated with saliva theirs or their partner's , though the study focused on heterosexual couples. And if it aggravates your symptoms, it may take longer for you to heal. You get a rash or hives, abdominal pain, headache, fever, chills, nausea, vomiting, foul-smelling vaginal discharge or severe vaginal burning, itching, irritation or swelling. These yeast infections may not fully go away without a round of antibiotics and up to six months of maintenance treatments. Vaginal Yeast Infections and Safe Sex Generally, it's recommended to wait to have sex until after your infection clears — which typically only takes one to seven days with antifungal medications. If your labia or vulva are swollen, you may find skin-to-skin contact to be too rough. Although yeast infections aren't dangerous for most people, they can cause discomfort such as vaginal itching and burning. The remaining 10 to 20 percent of infections are more difficult to treat. If you have lingering symptoms after using an over-the-counter treatment, talk with your doctor about other treatment options. Any vaginal symptoms during pregnancy, including itching, pain, bleeding or change in discharge, should be evaluated immediately by your healthcare provider.