B

Bahamas

Bahrain

Bangladesh

Barbados

Belarus

Belgium

Belize

Codeine - PO
Codeine + Acetaminophen - PO
Fentanyl - IV
Hydromorphone - PO;IR,SR
Methadone - IV
Morphine - PO,IV;IR,SR
Oxycodone - PO;IR,SR
Pethidine - PO,IV

Contributor: Beatriz Thompson

Benin

Bhutan

Bolivia

Bosnia and Herzegovina

Botswana

Brazil

Brunei

Bulgaria

Burkina Faso

Burundi