How should used Bupeaze 52.5 micrograms/h buprenorphine transdermal patches be disposed of?

Fold used Bupeaze 52.5 micrograms/h buprenorphine transdermal patches in half, adhesive side inwards, place in the original sachet and discard safely according to local requirements, or return to the pharmacy whenever possible; unused patches must also be disposed of according to local requirements or returned to the pharmacy.