Many women experience sour smell under breast, when living in areas that have mild to peak summers. In hot and humid areas, the skin under breasts remains moist for a long time, which allows the microorganisms to breed. As a result, the fungi and bacteria multiply under breasts, which eventually leads to foul smell. Rub it all over the areas between and under your breasts where you notice the funky smell. Apply summers eve powder to the affected area to keep it dry. what causes sour smell under breasts? The most common reason for sour or foul smell under the breast is due to too much of sweat accumulation. Women having large breast are more susceptible to this discomforting smell. As the area and skin fold under the breast remains moist for a long time, bacteria and. do your breasts smell like beer? Or do you notice that your breasts smell like yeast? Youre probably not imagining things theres a chance the girls have a yeast infection. Your chest might seem like an unlikely spot for a yeast infection. After all, were so used to only hearing about yeast infections in vaginas. I also have large breasts and first noticed the smell this summer. Even when i do not sweat, i have this awful smell under my breasts. I use baby wipes to clean it, but it takes a lot to really get rid of the smell. Thats just crazy! I usually can wear the same bra for like 3 days. funky smell under breasts? I know that this has been brought up before but i am very clean i have naturally larger breasts and even when i am not sweating i get a dirty feet odor under my breast its embarrasing. My bf is a breast man and i feel bad cause i dont want him going near them has anyone experienced the smell i have and if so can you. Theres a difference between normal body odor and odor that might be a sign of a skin disease and thats usually the strength of the smell. It is easy to control odor from any other parts of your body as the air dries out the sweat and does not cause any foul smell this is difficult with the area under the breasts as it is always covered. being able to smell your breasts during pregnancy isnt bad or dangerous or unusual. If the smell bothers you, baths or showers (with your favorite bath time potions, but of course) are your friends. worst-case, a funky, fishy odor could be a sign of a vaginal infection like bacterial vaginosis, a fairly common infection caused by an upset ph balance in your vagina.