Okla. Stat. tit. 59, § 59-353.1c
Pharmacists — Prescribing nonprescription drugs for
certain purposes.
A pharmacist licensed by the State Board of Pharmacy may, in
accordance with state and federal laws and rules, prescribe
nonprescription drugs for the purposes of extemporaneous compounding
or compounding for a known patient need in the practice area. The
Board may promulgate rules to implement this section.