Acetic acid is used on the cervix to detect cervical cancer during examination. Its side effects may include a burning sensation in the area to which it is applied, and its allergic reactions are rare. It is not recommended to use it in the ears of people with eardrum cleft as it works against the bacteria and fungi responsible for otitis externa.
Acetic acid, commonly known as vinegar, is used medicinally in the form of ear drops to treat a number of conditions of otitis externa. It can also be used with an ear wick. Acetic acid in liquid form is used to pump the bladder in people with urinary catheters to prevent infections or blockages. The acetic acid gel can be used to neutralize the pH of the vagina.