PatientRegistry is a product used by various pharmaceutical companies for managing drug usage patterns and relevant patient history of patients using various regulated prescription drugs. PatientRegistry acts as a central repository of patient history, medical records, referrals, authorizations and adverse effects. PatientRegistry acts as a common platform for doctors, patients, pharmacies, health care providers and regulatory authorities to track the usage of various regulated drugs. Information collected on the drug usage patterns is transferred to FDA and other regulatory authorities periodically.