This document classifies and describes different types of drugs. It identifies drugs of abuse as drugs taken for non-medical reasons which can cause physical and mental damage and addiction. It also discusses drug dependence, which refers to relying on drugs to treat medical conditions, and drug tolerance, where reactions to a drug decrease with continued use. The document then classifies drugs into six categories: gateway drugs like alcohol and marijuana; depressants which slow the central nervous system; stimulants which speed it up like cocaine and caffeine; narcotics which relieve pain; hallucinogens like LSD and psilocybin; and inhalants which are household chemicals that can cause brain and organ damage if abused.

1. Classifications
of Drugs and
Abuse

2. DRUGS
• Drugs are medicine or other substances which
has physiological effects when ingested or
otherwise introduced into the body.

3. Drugs of Abuse
•Drugs of Abuse – drug that is taken
for nonmedicinal reasons.
•Drug Abuse – this can lead to physical
and mental damage. This also leads to
addiction.

4. Drug Dependent
•Drug Dependent – a person who rely
on medications to control chronic
medical conditions like, high blood
pressure, diabetes, etc.

5. Drug Tolerance
•Drug Tolerance – simply means
that a person’s reaction to a drug
decreases as they continue to use
it.

6. CLASIFICATION OF DRUGS
1. Gateway Drugs are habit-forming drugs that,
while not itself addictive, may lead to the use of
other addictive drugs.
And there are 3 substances labeled as Gateway
Drugs.
1. Alcohol
2. Nicotine
3. Marijuana

7. CLASIFICATION OF DRUGS
2. Depressants.
Depressants are also known as “downer”, it
slows down a person’s central nervous
system. It relaxes muscles and nerves.

8. CLASIFICATION OF DRUGS
3. Stimulants- Stimulants are also known as
“uppers” or “speeders”, it speeds up a person’s
central nervous system.
• Caffeine is a kind of stimulant which can also
be found in soft drinks, energy drinks, coffee,
tea, and chocolate.
• Some illegal stimulants are Cocaine, Nicotine
and Shabu.

9. CLASIFICATION OF DRUGS
4. Narcotics.
• Narcotics is also known as “painkillers”, it
relieves pain and induce sleepiness.
• Some illegal Narcotic Drugs are Heroin, and
Marijuana, which if taken wrong may cause
overdose leading to coma and even death.

10. CLASIFICATION OF DRUGS
5. Hallucinogen.
• Hallucinogens are also called “psychedelics”.
• Any natural or synthetic psychoactive drugs that
produce marked distortion of the senses and
changes in perception. Examples of
Hallucinogens are “Lysergic Acid Diethylamide
(LSD), Psilocybin, and Mescaline.”

11. CLASIFICATION OF DRUGS
6. Inhalants- These are found in ordinary
household chemical products which are huffed or
sniffed.
• Continuous use and abuse lead to delusion,
brain damage, liver damage, coma, and death.
Examples of household products used as Inhalants
are Acetone, Rugby, Spray Paint, Cleaning Fluids,
and Air Conditioner Fluid (Freon).

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