It appearing that dihydrocodeinone is included in Schedule I of the list of controlled drugs under the 1961 Single Convention on Narcotic Drugs, as amended, the Dangerous Drugs Board, pursuant to its powers vested in it under Article VIII, Section 36(a) of RA 6425, as amended, and in accordance with a decision arrived at in its meeting of February 18, 1988, hereby classifies Tussionex and other drug preparations containing dihydrocodeinone as prohibited drugs.

This Regulation accordingly amends Board Regulation No. 1, Series of 1973 and shall take effect upon completion of its publication in a newspaper of general circulation once a week for two consecutive weeks.

(SGD.) TOMAS P. MARAMBA, JR., M.D., M.H.A.
(Undersecretary of Health for Standards and Regulation)
Chairman