# List of Schedule IV controlled substances (U.S.)

This is the list of Schedule IV controlled substances in the United States as defined by the Controlled Substances Act. The following findings are required for substances to be placed in this schedule:
* The drug or other substance has a low potential for abuse relative to the drugs or other substances in schedule III.
* The drug or other substance has a currently accepted medical use in treatment in the United States.
* Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in schedule III.
The complete list of Schedule IV substances is as follows. The Administrative Controlled Substances Code Number and Federal Register citation for each substance is included.

## Narcotics

| ACSCN | Drug |
| 9167 | Not more than 1 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit. |
| 9278 | Dextropropoxyphene |
| 9752 | Tramadol |

## Depressants

| ACSCN | Drug |
| 2731 | Alfaxalone |
| 2882 | Alprazolam |
| 2145 | Barbital |
| 2400 | Brexanolone |
| 2748 | Bromazepam |
| 2749 | Camazepam |
| 8192 | Carisoprodol |
| 2460 | Chloral betaine |
| 2465 | Chloral hydrate |
| 2744 | Chlordiazepoxide |
| 2751 | Clobazam |
| 2737 | Clonazepam |
| 2768 | Clorazepate |
| 2752 | Clotiazepam |
| 2753 | Cloxazolam |
| 2410 | Daridorexant |
| 2754 | Delorazepam |
| 2765 | Diazepam |
| 2467 | Dichloraphenazone |
| 2756 | Estazolam |
| 2540 | Ethchlorvynol |
| 2545 | Ethinamate |
| 2758 | Ethyl loflazepate |
| 2759 | Fludiazepam |
| 2763 | Flunitrazepam |
| 2767 | Flurazepam |
| 2138 | Fospropofol |
| 2762 | Halazepam |
| 2771 | Haloxazolam |
| 2772 | Ketazolam |
| 2245 | Lemborexant |
| 2773 | Loprazolam |
| 2885 | Lorazepam |
| 2774 | Lormetazepam |
| 2800 | Mebutamate |
| 2836 | Medazepam |
| 2820 | Meprobamate |
| 2264 | Methohexital |
| 2250 | Methylphenobarbital (mephobarbital) |
| 2884 | Midazolam |
| 2837 | Nimetazepam |
| 2834 | Nitrazepam |
| 2838 | Nordiazepam |
| 2835 | Oxazepam |
| 2839 | Oxazolam |
| 2585 | Paraldehyde |
| 2591 | Petrichloral |
| 2285 | Phenobarbital |
| 2883 | Pinazepam |
| 2764 | Prazepam |
| 2881 | Quazepam |
| 2846 | Remimazolam |
| 2223 | Suvorexant |
| 2925 | Temazepam |
| 2886 | Tetrazepam |
| 2887 | Triazolam |
| 2781 | Zaleplon |
| 2783 | Zolpidem |
| 2784 | Zopiclone |
| 2420 | Zuranolone |
$^†$Flunitrazepam has not been approved by the Food and Drug Administration for medical use, and is considered to be an illegal drug.
$^†$Temazepam may require a specially coded prescription in certain States.

## Lorcaserin

| ACSCN | Drug |
| 1625 | Lorcaserin |

## Stimulants

| ACSCN | Drug |
| 1230 | Cathine |
| 1610 | Diethylpropion |
| 1760 | Fencamfamin |
| 1575 | Fenproporex |
| 1605 | Mazindol |
| 1580 | Mefenorex |
| 1680 | Modafinil and enantiopure armodafinil |
| 1530 | Pemoline |
| 1640 | Phentermine |
| 1750 | Pipradrol |
| 1729 | Serdexmethylphenidate |
| 1675 | Sibutramine |
| 1650 | Solriamfetol |
| 1635 | SPA / (-)-1-dimethylamino- 1,2-diphenylethane |

## Others

| ACSCN | Drug |
| 9709 | Pentazocine |
| 9720 | Butorphanol |
| 9725 | Eluxadoline |