Some people experience difficulty breathing, skin irritation/chafing, and/or acne. Often side effects are associated with wearing a binder that is not the correct size or wearing it for too long. If you are confident you are wearing a binder that is a good fit for you and continue to experience issues, you should see your primary care doctor. Practice harm reduction and read up to learn more on how to bind more safely. You can learn more about breast binding safety on minus18.org or point5cc.com.