A Randomized Controlled Trial to Test the Effects Oxytocin and Vibration Have on Heat Pain Threshold After UV-B Burn

Inclusion Criteria: * Male or female \> 18 and ≤55 years of age, Body Mass Index (BMI) \<40 * Generally in good health as determined by the Principal Investigator based on prior medical history, and as assessed to be American Society of Anesthesiologists physical status 1, 2, or 3 * Fitzpatrick Scale rating I through III Exclusion Criteria: * History of skin cancer * Dark enough skin complexion that would make it infeasible to determine the minimal erythematous dose of UV-B irradiation. Anyone Fitzpatrick Scale score \>3 will be excluded * Neuropathy, chronic pain (located in any body location that is being treated), diabetes mellitus, or taking benzodiazepines or pain medications on a daily basis * Pregnancy or currently breast feeding * Subjects with current or history of ventricular tachycardia, atrial fibrillation or prolonged QT interval * Subjects with past or current history of hyponatremia or at risk for hyponatremia; anyone taking thiazide diuretics, loop diuretics, combination diuretics, lithium, carbamazepine, enalapril, Ramipril, celecoxib, temazepam, gliclazide, glimepiride, glibenclamide, glipizide, omeprazole, pantoprazole, desmopressin, SSRI's, MAOI, or the recreational drug ecstasy * Subjects with a known latex allergy