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Amnesia is desirable during surgery, so general anaesthesia procedures are designed to induce it for the duration of the operation. Sedatives such as benzodiazepines, which are commonly used for anxiety disorders, can reduce the encoding of new memories, particularly in high doses (for example, prior to surgery in order for a person not to recall the surgery). [2]
In some cases these substance-induced psychiatric disorders can persist long after detoxification from amphetamine, cocaine, opioid, and alcohol use, causing prolonged psychosis, anxiety or depression. A protracted withdrawal syndrome can occur with symptoms persisting for months to years after cessation of substance use.
Stress is also a component of PTSD that may lead to drug use, due to the norepinephrine that is released from the stress response of the body. [15] Therefore, conditioned link between PTSD and substance use may trigger craving for substances when it arises, potentially increasing psychological dependence and complicating treatment outcomes for ...
Cocaine has a similar potential to induce temporary psychosis [22] with more than half of cocaine abusers reporting at least some psychotic symptoms at some point. [23] Typical symptoms include paranoid delusions that they are being followed and that their drug use is being watched, accompanied by hallucinations that support the delusional ...
Of these, 35 million had a substance use disorder. [17] An additional 237 million men and 46 million women have alcohol use disorder as of 2016. [18] In 2017, substance use disorders from illicit substances directly resulted in 585,000 deaths. [17] Direct deaths from drug use, other than alcohol, have increased over 60 percent from 2000 to 2015 ...
Substance use, also known as drug use, is a patterned use of a substance (drug) in which the user consumes the substance in amounts or with methods which are harmful to themselves or others. The drugs used are often associated with levels of substance intoxication that alter judgment, perception, attention and physical control, not related with ...
In many cases, opioids used in general anaesthesia can cause postoperative ileus, even after non-abdominal surgery. Administration of a μ-opioid antagonist such as alvimopan immediately after surgery can help accelerate the timing of hospital discharge, but does not reduce the development of paralytic ileus.
The term "cold turkey" is used to describe the sudden cessation of use of a substance and the ensuing physiologic manifestations. The symptoms from withdrawal may be even more dramatic when the drug has masked prolonged malnutrition , disease, chronic pain , infections (common in intravenous drug use), or sleep deprivation , conditions that ...