Negative Effects of Drugs

Let’s get down to the basics. Drugs can have a negative impact on the people who use them. The human body was simply not designed to endure all the things that drugs do to it. Many people opt out of much-needed, doctor-prescribed medication because they don’t like how it makes them feel or the negative effects it has on their body. If only we would think of these negative side effects before abusing illicit or prescription drugs. People who get caught up with drug abuse are often too focused on how the drug makes them feel, and what pleasure or feelings of euphoria they can experience from it. All drugs, however, have negative side effects, and a person abusing drugs or addicted to drugs may find that the negative effects are just not worth it.

Each drug affects the body differently, and each individual person will experience different results from a drug. In general, however, families of drugs will act similarly.


Steroids, known for their performance-enhancing ability, can lead to aggression, mood swings, delusions, liver damage, and renal failure. They can also cause trembling, infertility, and baldness.


Heroin, an opiate, can cause negative effects such as abscesses, cellulites, liver disease, dry mouth, and impaired breathing.

Other opiates and narcotics, like morphine, are used to relieve pain and anxiety. But morphine can also cause a decrease in hunger, decreased sex drive, inhibition of the cough reflex, and reduced mental performance.

Prescription Drugs

Like morphine, other prescription drugs are frequently abused by people wanting pain relief or to experience a feeling of euphoria. Codeine and OxyContin are among the most popular abused prescription drugs, and they can cause confusion, weakness, dizziness, and seizures.


Stimulants, like methamphetamine, are abused because they increase energy and mental focus. After extended use, however, meth causes physical disfigurations and tooth decay.

Cocaine, used for its high and to reduce fatigue, can also cause irritability, restlessness, and paranoia.

Almost all drugs can have a negative physical impact on health. Most can increase blood pressure, and increase the risk for heart problems or stroke. Many drugs also have a negative effect on the mind, causing long-term brain damage, depression, or other mental health disorders.

One of the worst side effects of nearly all abused drugs is their ability to cause dependence on them. Physical or psychological addiction to a drug can completely take over someone’s life. Drug addiction often requires rehab and therapy to overcome, and many people suffer with addiction and the side effects of their drug abuse for life. If you or someone you know has a drug addiction, get help right away.


How Meth Destroys the Body
NIDA InfoFacts: Steroids (Anabolic-Androgenic)

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