A “class 3 drug” usually refers to a Schedule III controlled substance in the U.S., meaning a drug with accepted medical use but a moderate to low potential for physical and psychological dependence. Its abuse risk is lower than Schedule I and II drugs, but higher than Schedule IV substances. Examples include products with less than 90 mg of codeine per dose (like some Tylenol with codeine), ketamine, anabolic steroids, and testosterone.

Quick Scoop

  • Core idea: Class 3 / Schedule III drugs are controlled because they can cause dependence, but they are not considered as addictive or dangerous as the highest‑risk categories.
  • Medical use: They are legally used in medicine (for pain, anesthesia, hormone therapy, etc.), but prescriptions and storage are tightly regulated.
  • Risk level: Misuse can still lead to addiction, health harm, and criminal penalties, especially if possessed or supplied without a valid prescription.

What “Class 3 / Schedule III” Means

  • Defined as drugs with an accepted medical use and a moderate to low risk of dependence compared with higher schedules.
  • Their abuse potential is less than Schedule I and II, but more than Schedule IV and V.
  • Law and health agencies use this label to balance access for treatment against the risk of diversion and misuse.

Common Examples

  • Combination pain medicines containing less than 90 mg of codeine per dosage unit (e.g., some Tylenol with codeine).
  • Ketamine, used for anesthesia and sometimes treatment‑resistant depression, but also misused recreationally.
  • Anabolic steroids and testosterone products used medically but often misused for performance or bodybuilding.

Why It Matters Now

  • Recent years have seen increased concern about prescription drug misuse, including Schedule III opioids and steroids in sports and fitness communities.
  • Laws and prescribing guidelines continue to tighten around all controlled substances, so “class 3” status signals that these are not ordinary over‑the‑counter medicines and should be used only under clear medical supervision.

Information gathered from public forums or data available on the internet and portrayed here.