Vapocoolant (Pain Ease) Use for Venipuncture

Inclusion Criteria: * Patient needing venipuncture ("blood draw') but not intravenous cannulation * Adult 18 years and older up to and and including 80 years old * Stable patient * Mentally competent patient able to understand the consent form Exclusion Criteria: * Patients with any allergies to the spray components (e.g. 1,1,1,3,3 pentafluoropropane or 1,1,1,2, tetrafluoroethane ) * Critically ill or unstable (e.g. sepsis or shock) * Extremes of age: geriatric (\> 80 years) or pediatric ( \< 18 years old) * Pregnant * Venipuncture site located in area of compromised blood supply. Examples include : patients with peripheral vascular disease, gangrene, Raynaud's disease, Buerger's disease. * Venipuncture site located in area of insensitive skin; patients with a peripheral neuropathy including diabetic neuropathy. * Patient intolerant of cold or with hypersensitivity to the cold. * Patient unable or unwilling to give consent. * Prior experience with vapocoolant spray * Currently in another research trial