Bericol was a Cardassian street narcotic. Dosages of less than one c.c. create a sense of intense euphoria in the user. However, larger doses cause loss of consciousness and even headaches, though no permanent damage. Cadet Bael Nomine used bericol injections to incapacitate USS Enterprise security officers Timothy Lynch and Kao, in order to carry out the orders of Admiral James Leyton. (TNG eBook: Slings and Arrows: The Oppressor's Wrong)