N.H. Rev. Stat. Ann. § 318-B:1
The following words and phrases, as used in this chapter, shall have the following meanings, unless the context otherwise requires:
I. "Abuse of drugs" means the use of controlled drugs solely for their stimulant, depressant or hallucinogenic effect upon the higher functions of the central nervous system and not as a therapeutic agent recommended by a practitioner in the course of medical treatment or in a program of research operated under the direction of a physician, pharmacologist, physiologist, chemist, or advanced practice registered nurse.
I-a. "Administer" means an act whereby a single dose of a drug is instilled into the body of or given to a person or animal for immediate consumption or use.
I-aa. "Advanced emergency medical care provider" means a person licensed to provide advanced emergency medical care under RSA 151-B.
I-b. "Advanced practice registered nurse" means a person licensed to practice as an advanced practice registered nurse in this state pursuant to RSA 326-B:18.
II. "Amphetamine-type drugs" means amphetamine, optical isomers thereof, salts of amphetamine and its isomers, and chemical compounds which are similar thereto in physiological effect, and which show a like potential for abuse.
II-a. "Anabolic steroid" includes any of the following or any isomer, ester, salt, or derivative of the following that acts in the same manner on the human body:
V. "Cocaine-type drugs" means coca leaves, cocaine, ecgonine, and chemical compounds which are similar thereto in chemical structure or which are similar thereto in physiological effect and which show a like potential for abuse.
V-a. "Commissioner" means the commissioner of the department of health and human services.
VI. "Controlled drugs" means any drug or substance, or immediate precursor, which is scheduled pursuant to RSA 318-B:1-a.
(b) "Controlled drug analog" shall not include:
(4) Any compound, mixture, or preparation that contains any controlled drug or controlled drug analog that is not for administration to a human being or animal, and that is packaged in such a form or concentration, or with adulterants or denaturants so that, as packaged, it does not present any significant potential for abuse.
VI-b. "Crack cocaine", also known as cocaine base or rock cocaine, means the free base form of cocaine in which the molecule is not chemically combined as an acid salt.
VI-a. (a) "Controlled drug analog" means a substance, however constituted, the chemical structure of which is derivative of, or substantially similar to that of a controlled drug and:
VII. "Dentist" means a person authorized by law to practice dentistry in this state.
VII-a. "Department" means the department of health and human services.
IX. "Drug dependence" means a state of physical addiction or psychic dependence, or both, upon a drug following use of that drug upon a repeated periodic or continuous basis except:
X. "Drug-dependent person" means any person who has developed a state of psychic or physical dependence, or both, upon a controlled drug following administration of that drug upon a repeated periodic or continuous basis. No person shall be classified as drug dependent who is dependent:
(b) Upon amphetamine-type, ataractic, barbiturate-type, hallucinogenic or other stimulant and depressant drugs as an incident to current medical treatment of a demonstrable physical or psychological disorder, or both, other than drug dependence.
X-a. "Drug paraphernalia" means all equipment, products and materials of any kind which are used or intended for use or customarily intended for use in planting, propagating, cultivating, growing, harvesting, manufacturing, compounding, converting, producing, processing, preparing, testing, analyzing, packaging, repackaging, storing, containing, concealing, ingesting, inhaling, or otherwise introducing into the human body a controlled substance in violation of this chapter. It includes, but is not limited to:
(k) Objects used or intended for use or customarily intended for use in ingesting, inhaling, or otherwise introducing marijuana, cocaine, hashish, or hashish oil into the human body, such as:
(11) Ice pipes or chillers.
X-b. Notwithstanding the provisions of RSA 318-B:1, X-a, "drug paraphernalia" shall not include fentanyl test strips, xylazine test strips, or other materials used or intended for use in testing for the presence of fentanyl, xylazine, or a fentanyl or xylazine analog in a substance, unless possessed in conjunction with other evidence forming the basis of a criminal charge involving the manufacturing, possessing with the intent to sell, or compounding pursuant to RSA 318-B:2, I.
X-c. "Drug misuse" means the use of a substance for a purpose that is not consistent with legal or medical guidelines.
XI. "Federal food and drug laws" means the Federal Food, Drug and Cosmetic Act, as amended (Title 21 U.S.C. § 301 et seq.).
XI-a. "Fentanyl class drug" shall mean the following drugs: fentanyl, 3-methylfentanyl, 3-methylthiofentanyl, acetylfentanyl, acetyl-alpha-methylfentanyl, alpha-methylfentanyl, alpha-methylthiofentanyl, beta-hydroxyl-3-methylfentanyl, beta-hydroxyfentanyl, para-fluorofentanyl, thiofentanyl, alfentanil, carfentanil, remifentanil, sufentanil, and all optical isomers of these substances. Drugs which become controlled after September 1, 2015, pursuant to RSA 318-B:1-a; and are known or scheduled with a common name that includes the term "fentanyl", or "fentanil" shall also be considered as belonging to this class, along with optical isomers of same. Drugs may be added or removed from this classification by action of the general court.
XIV. "Laboratory" means a scientific or medical establishment entrusted with the custody of controlled drugs and the use of controlled drugs for scientific and medical purposes and for purposes of instruction, research or analysis.
XIV-a. "Law enforcement officer" means any officer of the state or political subdivision of the state who is empowered by law to conduct investigations of or to make arrests for offenses enumerated in this chapter.
XIX. "Official written order" means an order written on a form provided for that purpose by the United States Attorney General under the laws of the United States making provision therefor, if such order forms are authorized and required by federal law, or conforming to the requirements of such a form and provided by the department of health and human services, or, if no such order form is provided, on an official form provided for that purpose by the department of health and human services.
XIX-a. "Optometrist" means a person authorized by law to practice optometry in this state pursuant to RSA 327.
XXIV. "Physician" means a person authorized by law to practice medicine in this state pursuant to RSA 329.
XXIV-a. "Podiatrist" means a person authorized by law to practice podiatry in this state pursuant to RSA 315.
XXVI. "Practitioner" means any person who is lawfully entitled to prescribe, administer, dispense or distribute controlled drugs to patients.
XXVI-a. "Practitioner-patient relationship" means a medical connection between a licensed practitioner and a patient that includes an in-person exam, a history, a diagnosis, a treatment plan appropriate for the licensee's scope of practice, and documentation of all prescription drugs including name and dosage. A licensee may prescribe for a patient whom the licensee does not have a practitioner-patient relationship under the following circumstances: for a patient of another licensee for whom the prescriber is taking call; for a patient examined by another New Hampshire licensed practitioner; or for medication on a short-term basis for a new patient prior to the patient's first appointment. The definition of a practitioner-patient relationship shall not apply to a practitioner licensed in another state who is consulting to a New Hampshire licensed practitioner with whom the patient has a relationship.
XXIX. "Registry number" means the number assigned to each person registered under the federal narcotic laws.
XXIX-a. "Residual amount" means an unusable amount of a controlled substance in or on a hypodermic syringe or needle.
XXXI. "State food, drug and cosmetic laws" means RSA 146.
XXXI-a. "Substantially similar in chemical structure" means that the substance in question shares a common core structure with a controlled drug, meaning that the "backbone" of the molecule is the same, and has no more than 2 points of divergence (additions, deletions, or substitutions) from the controlled drug, which may consist of a single atom or a functional group or some combination thereof. Functional groups are further defined as alkyl, alkenyl, alkynyl, ring structures (either homocyclic or heterocyclic, with or without additional attached functional groups), organic halides, alkoxy, alcohol, ether, amine, aldehyde, ketone, carboxylic acid, ester, amide, nitrile, nitro, sulfide, thiene, thioester, or thiol.
Source. 1969, 421:1. 1975, 255:2. 1977, 547:1-4. 1981, 513:1. 1985, 190:98; 293:1, 2; 324:17, 18. 1988, 6:1. 1989, 195:1; 361:1. 1993, 333:3. 1994, 186:1; 333:16-18. 1995, 310:155, 156, 181. 1996, 267:22. 2000, 176:4. 2001, 15:3; 282:8. 2005, 293:8. 2008, 217:3, 4. 2009, 54:5. 2011, 63:4. 2016, 2:1, eff. Jan. 21, 2016. 2017, 117:3, eff. June 16, 2017. 2021, 115:2, 3, eff. Sept. 7, 2021. 2023, 186:1, eff. Oct. 3, 2023. 2025, 41:7, eff. June 28, 2025.