(a) Except as provided in Section 2241 of the Business and Professions Code, no person shall prescribe for, or administer, or dispense a controlled substance to, an addict, or to any person representing himself or herself as such, except as permitted by this division.
(b) (1) For purposes of this section, “addict” means a person whose actions are characterized by craving in combination with one or more of the following:
(A) Impaired control over drug use.
(B) Compulsive use.
(C) Continued use despite harm.
(2) Notwithstanding paragraph (1), a person whose drug-seeking behavior is primarily due to the inadequate control of pain is not an addict within the meaning of this section.