sentence: All acids are caustic.
sentences_before: This will slowly kill wart tissue. Dead tissue can then be removed. Getting rid of a wart that way usually takes several weeks. There are different drugs, with different acids. Some prescription drugs may contain stronger acids, such as chloroacetic acid or silver nitrate.
sentences_after: This means, healthy tissue around the wart needs to be protected, before the substance is applied.
concept_name: acid
headings: Wart Getting rid of warts
categories: Diseases caused by viruses