Different Types Of Drugs And Their Effects Pdf

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We live in a world where incredible drugs exist to treat many conditions that seemed untouchable in the past. In a report that looked at U. However, the impressive availability of medications also increases the possibility of drug interactions.

Pharmacology, or the study of drugs and medications, is a complicated subject. One of the ways to make it easier to understand is to have a good knowledge of drug classification, or the system by which various drugs are grouped together.

Physicians have long recognized that different types of drugs affect people differently. Nonetheless, drugs may be categorized or classified according to certain shared symptomatologies or effects. 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. Drugs from each of these categories can affect a person's central nervous system and impair a person's normal faculties, including a person's ability to safely operate a motor vehicle.

Drug Classifications

Depressant substances reduce arousal and stimulation. They do not necessarily make a person feel depressed. They affect the central nervous system, slowing down the messages between the brain and the body. They can affect concentration and coordination.

In small doses they can cause a person to feel more relaxed and less inhibited. How depressants are used depends on the specific type, for example alcohol is drunk and benzodiazepines are usually swallowed but can also be injected. Generally speaking, depressants can be swallowed, drunk as a beverage, injected, snorted or inhaled.

The onset and effects of depressants vary according to the type and specific chemical. Some depressants may work instantly, with effects only lasting for a short time such as inhalants , while other depressants may take longer for the effects to start and the duration of effects may last longer.

In general, when small to low doses of depressants are taken, the following effects may be experienced:. Use of any drug always carries some risk, however, if you choose to take it, always try a small test amount first. People who use depressants regularly can develop dependence and tolerance to them.

Tolerance means they need to take larger amounts of depressants to get the same effect. Dependence on depressants can be psychological, physical, or both. People who are dependent on depressants may find that using the drug becomes more important than other activities in their life.

Cravings can make it difficult to stop using depressants. People who are psychologically dependent on depressants may find they feel an urge to use them when they are in specific surroundings or socialising with friends. Drug List Drug Wheel Depressants. Last published: February 15, Print. What are depressants? View the Drug Wheel. Depressants Fact sheet Effects of depressants There is no safe level of drug use. Use of any drug always carries some risk.

Depressants affect everyone differently, based on: size, weight and health whether the person is used to taking it whether other drugs are taken around the same time the amount taken the strength of the drug this varies from batch to batch with illegally produced drugs.

In general, when small to low doses of depressants are taken, the following effects may be experienced: reduced inhibitions enhanced mood reduced anxiety slowed reaction time impaired judgement slowed breathing increased risk of accident or injury. If drinking alcohol, stay hydrated and have something to eat before and while drinking. Dependence and tolerance People who use depressants regularly can develop dependence and tolerance to them.

Help and support Filter by service type and location. Ontario: Addiction Research Foundation; Australian Government Department of Health.

Types of Drugs - Drug catagories : Commonwealth of Australia; Benzodiazepine Toxicity. Darke S, Lappin, J. The Clinician's Guide to Illicit Drugs. United Kingdom: Silverback Publishing; Last updated: 15 Feb

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Depressant substances reduce arousal and stimulation. They do not necessarily make a person feel depressed. They affect the central nervous system, slowing down the messages between the brain and the body. They can affect concentration and coordination. In small doses they can cause a person to feel more relaxed and less inhibited. How depressants are used depends on the specific type, for example alcohol is drunk and benzodiazepines are usually swallowed but can also be injected. Generally speaking, depressants can be swallowed, drunk as a beverage, injected, snorted or inhaled.

Once production of your article has started, you can track the status of your article via Track Your Accepted Article. Drug and Alcohol Dependence is an international journal devoted to publishing original research, scholarly reviews, commentaries, and policy analyses in the area of drug , alcohol and tobacco use and dependence. Articles range from studies of the chemistry of substances of abuse , their actions at molecular Articles range from studies of the chemistry of substances of abuse , their actions at molecular and cellular sites, in vitro and in vivo investigations of their biochemical, pharmacological and behavioural actions, laboratory-based and clinical research in humans, substance abuse treatment and prevention research, and studies employing methods from epidemiology, sociology, and economics. The goal of the journal is to provide researchers, clinicians, and policy makers access to material from all perspectives in a single journal in a format that is understandable and which has received rigorous editorial review. The hope of its editors is to promote mutual understanding of the many facets of drug abuse to the benefit of all investigators involved in drug and alcohol research, and to facilitate the transfer of scientific findings to successful treatment and prevention practices.

Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug or medication. Substances such as alcohol, marijuana and nicotine also are considered drugs. When you're addicted, you may continue using the drug despite the harm it causes. Drug addiction can start with experimental use of a recreational drug in social situations, and, for some people, the drug use becomes more frequent. For others, particularly with opioids, drug addiction begins with exposure to prescribed medications, or receiving medications from a friend or relative who has been prescribed the medication.

7 Drug Categories

If you've had a heart attack , you will most likely be prescribed medication that you will take for the rest of your life. There are many types and combinations of drugs used to treat coronary artery disease CAD , and your doctor or other health care provider will decide the best treatment combination for your situation. The following gives you a quick look at many typical cardiac medications.

Given by injection into a vein intravenously, IV , into a muscle intramuscularly, IM , into the space around the spinal cord intrathecally , or beneath the skin subcutaneously, sc. Breathed into the lungs, usually through the mouth by inhalation or mouth and nose by nebulization. See also Introduction to Administration and Kinetics of Drugs. Many drugs can be administered orally as liquids, capsules, tablets, or chewable tablets. Because the oral route is the most convenient and usually the safest and least expensive, it is the one most often used.

Drug and Alcohol Dependence

A drug is any substance that causes a change in an organism's physiology or psychology when consumed. Consumption of drugs can be via inhalation , injection , smoking , ingestion , absorption via a patch on the skin, suppository , or dissolution under the tongue. In pharmacology , a drug is a chemical substance, typically of known structure, which, when administered to a living organism, produces a biological effect. Pharmaceutical drugs are often classified into drug classes —groups of related drugs that have similar chemical structures , the same mechanism of action binding to the same biological target , a related mode of action , and that are used to treat the same disease. Another major classification system is the Biopharmaceutics Classification System. This classifies drugs according to their solubility and permeability or absorption properties. Psychoactive drugs are chemical substances that affect the function of the central nervous system , altering perception , mood or consciousness.

Drugs can be classified into different categories based on their chemical ingredients and their effects on users. Here are the five main categories and some information about each:. Central nervous system depressants. Central nervous system stimulants. Opiates and Opiodes.

Medications or pharmaceuticals are also drugs and are regulated differently dependent on their level of health risk. Short-term health harms. Short-term health harms are those that can occur as a result of an episode of use, or, in the case of medications, inappropriate use. These vary markedly depending on the drug being used type, amount etc and may be from the drug itself or from the manner in which the drug is taken. For information about the short-term health effects of a specific illicit drug, visit the page called Misused substances. A person is described as having taken an overdose if they suffer a medical emergency as a result of accidentally or intentionally using a larger amount of a drug than normal. This type of overdose can result from both taking too much of a prescribed drug or too much of an illicit drug or a combination of drugs.


Addictive Drugs are divided according to its nature, origin, mechanism of action and effects. They are studied under various categories, viz. 1.


Drug Classifications

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Drugs are chemicals that affect the body and brain. Different drugs can have different effects. Some effects of drugs include health consequences that are long-lasting and permanent. They can even continue after a person has stopped taking the substance. There are a few ways a person can take drugs, including injection, inhalation and ingestion. The effects of the drug on the body can depend on how the drug is delivered.

Pharmacology, or the study of drugs and medications, is a complicated subject. One of the ways to make it easier to understand is to have a good knowledge of drug classification, or the system by which various drugs are grouped together. Drugs are categorized in a variety of different ways. In the pharmaceutical industry, drugs are grouped according to their chemical activity or conditions that they treat. There are many reasons to classify drugs, ranging from understanding the usefulness of particular types of drugs to formulating treatment plans based on chemically similar drugs. In the world of illicit and abused drug use, there are essentially 7 different types of drugs.

Depressants

Research shows. You probably know that drugs affect feelings and moods, judgment, decision making, learning, and memory. Some of these effects occur when drugs are used at high doses or after prolonged use, and some may occur after just one use. But it is not only injection drug users who risk contracting or spreading infections.

Drugs are chemical substances that can change how your body and mind work. They include prescription medicines, over-the-counter medicines , alcohol , tobacco , and illegal drugs. Drug use is dangerous.

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