What does SUD stand for?

What does SUD mean?

SUD	Abbey National, PLC Business » NYSE Symbols
SUD	System Under Development Business » General
SUD	Stretched Upper Deck Miscellaneous » Construction
SUD	Subjective Units of Distress Miscellaneous » Unit Measures
SUD	Subjective Units of Disturbance Community » Law
SUD	Small Utilities for DOS (Disk Operating System) Computing » Software
SUD	Solidaires Unitaires Démocratiques Community » Unions
SUD	Stroud Airport, Stroud, Oklahoma USA Regional » Airport Codes
SUD	Symantec Undo Data Computing » File Extensions
SUD	Sudden Unexpected Death Medical » Physiology
SUD	Sudan Regional » Countries
SUD	Single-Use Device Governmental » FDA
SUD	Sudden Unexpected Death Governmental » FDA
SUD	Summary of Unadjusted Differences Business » Accounting
SUD	Substance Use Disorder Medical » Physiology