Why does the vagina smell bad? 4 reasons every woman should know

Vaginal or sexually transmitted infections:
When the odor changes suddenly and becomes intense or unpleasant, infections may be the cause. The most common are yeast infections, bacterial vaginosis, and some sexually transmitted infections such as trichomoniasis. Each has its own type of odor, although in general they are more acidic, stronger, or simply different from normal.

Fungal infections, for example, often have a sweeter odor but are accompanied by intense itching and a thick, cottage cheese-like discharge. Trichomoniasis, on the other hand, produces a stronger odor, along with irritation and a yellowish or greenish discharge. Neither of these situations should be ignored. It’s not enough to simply “wait and see”; the ideal solution is to receive a proper diagnosis and specific treatment.

Sweat buildup, tight clothing, or poor ventilation:
Sometimes body odor has nothing to do with infections, but simply with everyday life. Heat, humidity, synthetic underwear, overly tight clothing, or exercising without changing immediately can create the perfect environment for odor to intensify