The short answer
Botulinum toxin is a prescription drug, so injecting it is the practice of medicine. Physicians, physician assistants and nurse practitioners may inject in every state; registered nurses may in most, but only under a prescriber's patient-specific order following a good faith exam. LPN/LVN rules vary sharply by state, and estheticians may never inject anywhere in the US.
Why is there no single national answer?
BOTOX and BOTOX Cosmetic are FDA-approved prescription biologics carrying a boxed warning for distant spread of toxin effect. Because they are prescription drugs, the act of injecting them falls under each state's Medical Practice Act, and the FDA has no role in deciding who holds the syringe. That decision belongs to your state medical board, board of nursing, and — for the outer boundary — the state's unlicensed-practice-of-medicine statute, such as California Business and Professions Code section 2052.
The result is that the same clinical task is governed by two separate questions in every state: who may order the treatment, and who may administer it. Those are almost never the same list, and mixing them up is the single most common licensing violation med spas get cited for.
Which license types can inject?
| Provider | Can order (prescribe)? | Can administer? | Usual condition |
|---|---|---|---|
| Physician (MD/DO) | Yes, all states | Yes | None |
| Nurse practitioner | Yes (scope varies) | Yes | Full or reduced practice authority per state |
| Physician assistant | Yes, under supervision/collaboration | Yes | Delegation agreement or supervising physician |
| Registered nurse | No | Usually yes | Patient-specific order after a prescriber's exam |
| LPN/LVN | No | Varies widely | Many boards prohibit it outright |
| Medical assistant | No | Almost never | Unlicensed personnel; see Texas exception |
| Esthetician / cosmetologist | No | No | Injection is outside cosmetology scope in all 50 states |
| Dentist | Yes, within dental scope | Yes | Many boards limit to the perioral/maxillofacial region |
What do specific states actually say?
California. The Medical Board of California treats the pre-treatment evaluation as an "appropriate prior examination" under Business and Professions Code section 2242, and has stated that it may not be delegated to a registered nurse. An RN may inject only after a physician, NP or PA has examined the patient and issued a patient-specific order. Standing orders do not substitute for that evaluation.
Texas. Texas Medical Board rule 22 TAC section 193.17 governs nonsurgical medical cosmetic procedures. It permits a delegating physician to authorize properly trained personnel — including, in narrow circumstances, unlicensed staff — to perform delegated procedures under written protocols, provided a physician or midlevel practitioner is on site or reachable for emergency consultation, and the delegation, orders and protocols are documented and reviewed.
Florida. The Florida Board of Nursing has addressed cosmetic injections through declaratory statements, permitting RNs to inject neuromodulators and fillers where a physician has examined the patient, ordered the treatment, and provides supervision under an established protocol.
Nevada. The Nevada State Board of Nursing issued an aesthetic practice decision (approved January 2025) setting out when an RN may perform aesthetic procedures, tying it to a valid provider order and prior patient evaluation.
Even within these states, board positions shift. Declaratory statements and advisory opinions are updated far more often than statutes, so a policy written in 2022 may already be wrong.
What this means for your paperwork
Your file needs to prove two things independently: that a lawful prescriber evaluated this patient and ordered this treatment, and that the person who injected was authorized to do so. That means a dated good faith exam note, a patient-specific order naming the product, units and treatment areas, a signed treatment-specific informed consent covering the boxed warning and off-label areas, and — on the personnel side — a current license copy, a written delegation or supervision protocol, and documented hands-on training for each injector.
Keep a one-page scope-of-practice memo in your policy manual naming the exact board rule or declaratory statement you rely on, with the date you last verified it. When an investigator asks why an RN was injecting, "we always did it this way" is not an answer; a cited board source with a review date is.
Related questions
This answer is educational and is not legal or medical advice. Requirements vary by state and change over time — verify with your own legal and clinical advisors before applying anything here in practice.