Before-after Comparison of Pharmacist Drug Therapy Management in Pediatric Hypertension

Inclusion criteria: * Diagnosis of elevated blood pressure or hypertension. * Physician decision to treat with drug therapy or lifestyle modifications and physician referral to pharmacist. * Consent both to therapy with pharmacist and participation in study (Note: in the state of Louisiana, patients must provide consent to be treated in a collaborative drug therapy management program). * For patients younger than 18, informed assent and parental permission to participate in the study. For patients who turn 18 during the study, informed consent will be obtained on the first visit after they turn 18. * Males and females; age 4-20 at enrollment * Willingness to adhere to study regimen The same inclusion criteria will apply to control patients except that: * They will have been treated at the clinic for hypertension or elevated blood pressure during the control period. * A waiver of consent has been obtained for historical data. Exclusion Criteria: * Physical preclusion to taking blood pressure, such as lack of limbs or any congenital or acquired anatomical defect preventing routine measurement of blood pressure * Participation in another treatment or intervention study for hypertension during the study period * Inability to speak English * For patients under 18 years old, not having at least one parent or guardian able to speak English * Patients who are pregnant