Compounded Pain Preparation Absorption Study

Inclusion Criteria: * Participants must apply and consistently use the supplied cream for 1 month at a prescribed * Participants must be ≥ 30 and \<65 years of age * Participants must be able to provide sound written and verbal informed consent * Participants must be diagnosed with an ICD9 code indicative of chronic pain Exclusion Criteria: * Participants must not have prior hypersensitivity or adverse events to any of the components in the customized prescription * Participants must not be pregnant or breastfeeding * Participants must not have used any study drug greater than 180 days from the day of Screening * Participants must not be utilizing medications that may interact with those being used in the topical formulation as determined by the PI * Participants must not be using any systemic medications that may influence drug serum concentrations of ingredients being used in the topical compound. These include medications from the same class of studied drugs or drugs that may falsely increase or decrease serum levels of the study drugs