Which of the following is NOT a common infectious cause of vulvovaginitis?

Hypertension is not an infectious cause of vulvovaginitis, which is the basis for identifying it as the correct answer. Vulvovaginitis refers to inflammation of the vulva and vagina, typically resulting from various infectious agents. The common infectious causes include bacterial vaginosis, which is a condition resulting from an imbalance in the normal bacterial flora; candidiasis, which is a yeast infection caused by Candida species; and chlamydia, a sexually transmitted infection caused by the bacteria Chlamydia trachomatis.

In contrast, hypertension is a chronic medical condition characterized by elevated blood pressure and does not have a direct infectious origin or affect the vulvovaginal area as an infectious agent would. Thus, it stands out as the option that does not align with the common causes of vulvovaginitis. Understanding the specific infections that lead to vulvovaginitis is crucial for appropriate diagnosis and treatment in clinical practice.