Oh Joy Sex Toy Yeast Infections & Candidiasis Can using sex toys lead to infections? A gynaecologist explains the real risks, common hygiene mistakes and expert approved safety tips to protect intimate health. Link in comments What Is a Yeast Infection? Cool Springs Obstetrics & Gynecology So, can sex toys cause UTIs? We asked urinary health experts, and the short answer is maybe! Further research is needed on this topic, but we know that anything Vaginal yeast infections, also known as candidiasis, are a common female condition. A healthy vagina has bacteria and some yeast cells. But when the balance of bacteria and yeast changes, the yeast