Changes in version 2.0.5 (2025-12-16) *Rectified error with load_HealthCanada_Opioid_Table() *Changed email for Ankona: ankonanagpur (at) gmail.com Changes in version 2.0.4 (2025-01-09) *Added codes so that just in case internet fails there is no error. Changes in version 2.0.3 (2024-01-10) *Fixed bug with latest dates Changes in version 2.0.2 (2024-01-10) *Fixed bug with json file location Changes in version 2.0.1 (2024-01-09) *Fixed bug with load_FDA_Opioid_Table() and load_HealthCanada_Opioid_Table() Changes in version 2.0.0 (2023-12-20) *Have added FDA Opioids and two new functions load_Opioid_Table and load_FDA_Opioid_Table to include US opioids as well. Changes in version 1.2.0 (2023-08-24) *Have added @aliases OralOpioids-package to OralOpioids.R Changes in version 1.1.0 (2023-05-03) - Changed the equianalgesic factor from 5 to 4 for Hydromorphone and from 1.5 to 1 to Hydrocodone and from 4 to 2.4 for Fentanyl patches. Have also made sure the functions MED_50 and MED_90 work. Changes in version 1.0.1 (2023-03-03) - Fixed bug by replacing T with TRUE Changes in version 1.0.0 (2023-02-14) - The package is ready for publication!