What are the contraindications of Acetic Acid?

Hypersensitivity to Acetic Acid Otic Solution or any of the ingredients. Perforated tympanic membrane is considered a contraindication to the use of any medication in the external ear canal. Last reviewed on RxList: 11/3/2008
This monograph has been modified to include the generic and brand name in many instances.

Source: http://www.rxlist.com