County Durham and Darlington Formulary

Green Drug - Can be initiated and prescribed in all care settings.
Green Alternative - Second line / alternative green drug
Green+ drug - Specialist initiation / recommendation.
Amber drug - Specialist drugs suitable for transfer under shared care protocols.
Red drug - "Specialist only" drugs (not for transfer).
Not Approved - Drugs that are not approved for prescribing.
Not Reviewed - Drugs that haven’t been reviewed yet and should not normally be prescribed
Unclassed Drug - approved but no traffic light status (mainly antibiotics)