Sour smell under breasts can be embarassing and it is important to know the ways to treat under breast sour smell. Sour smell under breast basically occurs because of the accumlation of sweat under breasts. If it is left untreated, many skin conditons can emerge out of this. how to get rid of smell between breasts 1 let your girls breathe. Letting the air get at your skin can help to dissipate the odor in some cases. This is an easy, no-cost option to try, and you can always check out one of the other suggestions on the list if it doesnt work for you. 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. 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. when you sweat the area under your breasts collect the sweat and the bacteria and toxins that are released from your body begin to multiply. 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. 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. 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. 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. Pop these under your bra band and the boob-friendly material acts to stop boob sweat in its tracks, and fully absorb it, keeping you dry and.