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The Daily Insight

Is Naltrexone a scheduled drug?

Author

William Smith

Updated on April 02, 2026

Official Answer. No, naltrexone is not classified as a controlled substance by the U.S. Drug Enforcement Agency (DEA).

Is Epinephrine a scheduled drug?

Epinephrine, also known as adrenaline, is a medication and hormone. As a medication, it is used to treat a number of conditions, including anaphylaxis, cardiac arrest, asthma, and superficial bleeding….Epinephrine (medication)

Clinical data
ReceptorsAdrenergic receptors
MetabolismAdrenergic synapse (MAO and COMT)
Legal status

Is naltrexone HCL a controlled substance?

Naltrexone can be administered on a daily, twice a week or three times a week regimen, based on the clinical needs of the patient, and the therapeutic goals of the patient and therapist. Because naltrexone is unscheduled under the Controlled Substances Act, any licensed physician can prescribe this drug.

What is naltrexone HCL used for?

Naltrexone belongs to a class of drugs known as opiate antagonists. It works in the brain to prevent opiate effects (e.g., feelings of well-being, pain relief). It also decreases the desire to take opiates. This medication is also used to treat alcohol abuse.

What drug schedule is epinephrine in?

Defined Abbreviations

Defined AbbreviationControlled Substance Analogue
PCC1-Piperidinocyclohexanecarbonitrile
PCEN-Ethyl-1-phenylcyclohexylamine
PCH1-Phenylcyclohexylamine
PCP1-(1-Phenylcyclohexyl)piperidine, phencyclidine

Is naltrexone the same as Suboxone?

Vivitrol, the brand name for naltrexone, is a narcotic blocker or what’s known as an opioid antagonist. This medication, which is as effective as Suboxone, is a monthly injection. A potential downside for patients, though, is that it can only be administered after opioid withdrawal takes place.

Is naltrexone the same as methadone?

Both Naltrexone and Methadone work on the body’s opioid receptors. Methadone activates the receptors that suppress opioid cravings, while Naltrexone binds and blocks them to reduce cravings. Unlike methadone, naltrexone is not addictive, does not create a euphoric feeling or high, and withdrawal is minimal.

Does naltrexone block diazepam?

Naltrexone, up to 100 mg/kg s.c., had no effect on the discriminative effects of diazepam (0.1−10.0 mg/kg s.c.), but produced a dose-related attenuation of the increase in response latency produced by 3.0 and 10.0 mg/kg of diazepam.