This is a long-term prospective, observational post-marketing surveillance study of azilsartan medoxomil in participants with essential hypertension. This study will assess the safety and effectiveness of azilsartan medoxomil prescribed as a monotherapy or taken concomitantly with other anti-hypertension therapies in real-world clinical practice settings.~The study will enroll approximately 3000 participants. The data will be prospectively collected, at the centers from medical files and recorded into electronic case report forms (e-CRFs). All the participants will be assigned to a single observational cohort:~Participants With Essential Hypertension~The multi-center study will be conducted in South Korea. Data collection will be based on routinely scheduled and emergency visits over the surveillance period, scheduled at Visit 1 (Baseline), Visit 2 (6 Weeks), Visit 3 (3 Months or more less than 6 Months) and Visit 4 (6 Months or more [Month 9]). The overall duration of the study will be approximately 6 years. All participants will be followed up for 9 months after drug administration.
The purpose of this study is to evaluate the safety by determining the incidence rates of all adverse events (AEs) including serious adverse events (SAEs)/serious adverse drug reactions (ADRs), unexpected AEs and ADRs that are not reflected on the precaution in the use, ADRs already known, non-serious ADRs and other safety related information (laboratory values changes, etc).