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ethyl chloride

N01BX01

Forms & Strengths

Topical spray: 100g aerosol canister
Topical mist/stream: 103.5g (144 mL) bottle

Adult Dosing

Topical local anesthesia: Hold canister upside down, 12-18 inches from target area, and spray until skin turns white (frosting)
Myofascial pain/trigger points: Spray in parallel sweeps along the muscle toward the referred pain pattern

Pediatric Dosing

Topical local anesthesia (children): Same as adult dosing, exercise caution to avoid frostbite on delicate pediatric skin

Indications

Topical local anesthesia for minor surgical procedures (e.g., lance boils, drainage of small abscesses)
Temporary relief of myofascial pain, trigger points, and restricted motion
Minor sports injuries (sprains, contusions)

Mechanism of Action

Rapid evaporation of the chlorofluorocarbon-free or chlorinated hydrocarbon spray cools the skin instantaneously
Depresses sensory nerve conduction via local freezing temperatures to provide short-term pain relief

Contraindications

Hypersensitivity to ethyl chloride
Application on broken skin, mucous membranes, or large open wounds
Use near the eyes or ears

Adverse Reactions

Frostbite or tissue necrosis from excessive application
Allergic contact dermatitis
Skin pigmentation changes
Transient sensory hypesthesia

Drug Interactions

None significant due to minimal systemic absorption when applied topically as directed

Curated Content: Needs Vetting Before Put to Clinical Use