Acetic acid (medical use)

[2] As a liquid it is used to flush the bladder in those who have a urinary catheter in an attempt to prevent infection or blockage.

[4] It may also be applied to the cervix to help detect cervical cancer during screening.

[5] Side effects may include burning at the site of application.

[7] Acetic acid has been used medically since the time of Ancient Egypt.

[8][9] It is on the World Health Organization's List of Essential Medicines.