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Legality · Mephedrone (4-MMC)

Is Mephedrone (4-MMC) legal in Ireland?

Confirmed against a primary sourceVerified July 14, 2026
Legal status
Controlled — GENERIC + BLANKET. Mephedrone is caught by the generic cathinone control added to the Misuse of Drugs Act 1977 by S.I. 199/2010 (11 May 2010), and separately by the blanket Criminal Justice (Psychoactive Substances) Act 2010.
Consequences if caught
Controlled drug plus blanket PSA offences: possession and supply prosecuted; no death penalty in Ireland.
If prescribed or medical
Controlled drug with no recognised medical use and no lawful prescription route.
Documentation
No licit personal-import route for a controlled drug also covered by the PSA blanket ban.
Primary source