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What are the 5 classifications of drugs?

Author

William Harris

Updated on March 21, 2026

What are the 5 classifications of drugs?

Here are the five main categories and some information about each:

  • Central nervous system depressants.
  • Central nervous system stimulants.
  • Opiates and Opiodes.
  • Hallucinogens.
  • Marijuana.

What is a Level 5 drug?

Schedule V drugs, substances, or chemicals are defined as drugs with lower potential for abuse than Schedule IV and consist of preparations containing limited quantities of certain narcotics. Schedule V drugs are generally used for antidiarrheal, antitussive, and analgesic purposes.

What is a list of Schedule 5 drugs?

Schedule V Drugs: Examples include cough preparations with less than 200 milligrams of codeine or per 100 milliliters (Robitussin AC), Lomotil, Motofen, Lyrica, and Parepectolin.

What are the Class 1 drugs?

Drugs or Substances listed in DEA Schedule I may include:

  • Heroin (diacetylmorphine)
  • LSD (Lysergic acid diethylamide)
  • Marijuana (cannabis, THC)
  • Mescaline (Peyote)
  • MDMA (3,4-methylenedioxymethamphetamine or “ecstasy”)

What are the types of drug classifications?

The DRE categorization process is premised on these long-standing, medically accepted facts. DREs classify drugs in one of seven categories: central nervous system (CNS) depressants, CNS stimulants, hallucinogens, dissociative anesthetics, narcotic analgesics, inhalants, and cannabis.

What are the 4 classifications of drugs?

What Are the Four Types of Drugs?

  • Depressants. Some of the most commonly found types of drugs in society are depressants.
  • Stimulants. Stimulants, such as caffeine or nicotine, work in the opposite manner.
  • Opioids. The opioid addiction crisis has affected our society to a grave degree.
  • Hallucinogens.

What is a Class V drug?

The drug has a low potential for abuse relative to the drugs in schedule 4. The drug has a currently accepted medical use in treatment in the United States. Abuse of the drug may lead to limited physical dependence or psychological dependence relative to the drugs in schedule 4.

What is Schedule V in pharmacy?

Schedule V stipulates standards for patent or proprietary medicines, containing vitamins for prophylactic, therapeutic or paediatric use. As per the standards, it shall contain the vitamins in quantities not less than and not more than those specified in single or in two divided daily doses.

What does S5 mean on medication?

Schedule 5. S5 medicines such as antidepressants or sedatives have a potential for abuse or dependence, and therefore needs medical diagnosis and strict management of a patient. Unlike S4 substances, repeat S5 prescriptions going beyond six months are permitted, but they’re tightly controlled.