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Indications and Dosage
Topical/Cutaneous
Local anaesthesia Adult: As spray containing 88 g/100 mL, spray at a distance of 30 cm from skin surface until a fine white film is produced.
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Contraindications
Hypersensitivity; porphyria. Application on broken skin or mucous membranes.
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Special Precautions
To protect against tissue sloughing, cover the skin adjacent to the area being treated with petrolatum. Avoid spilling the liquid on the skin. Freezing may also distort the histological structure of biopsy specimens. Highly flammable. Avoid inhalation when used as local anaesthesia.
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Adverse Reactions
Thawing of frozen tissue after surgery may be painful. Chemical frostbite may occur following prolonged spraying onto the skin. Nephrotoxicity or hepatotoxicity (long-term exposure).
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Action
Description:
Mechanism of Action: Ethyl chloride is a vapocoolant (skin refrigerant) local anaesthetic, evaporizes rapidly and when applied as fine spray, produces freezing of superficial tissues, resulting in insensitivity of peripheral nerve endings and local anaesthesia. Duration: 1 min. |
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MIMS Class
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