Chloroacetic Acid

Products

Chloroacetic acid is commercially available as a solution for external use (acetocaustine). It has been approved in many countries since 1984.

Structure and properties

Chloroacetic acid (C2H3ClO2, Mr = 94.5 g/mol) is a chlorinated acetic acid derivative. It exists as colorless crystals with a pungent odor that are readily soluble in water.

Effects

Chloroacetic acid (ATC D11AF) is highly corrosive and dissolves the skin.

Indications

For the external treatment of warts.

Dosage

Carefully follow the instructions in the package leaflet. The healthy skin should not come into contact with the agent. The duration of treatment is usually four to six days.

Contraindications

Chloroacetic acid is contraindicated in cases of hypersensitivity. It should not be used on the face, genital area, eyes, mucous membranes, wounds, moles, and age warts. For complete precautions, see the drug label.

Interactions

Interactions with other drugs are not known.

Adverse effects

The most common possible adverse effects include local reactions such as skin irritation, burning, and redness. Other side effects include severe scarring and hypersensitivity reactions.