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Drug-induced amnesia is amnesia caused by drugs. Amnesia may be therapeutic for medical treatment or for medical procedures, or it may be a side-effect of a drug, such as alcohol, or certain medications for psychiatric disorders, such as benzodiazepines. [1] It is seen also with slow acting parenteral general anaesthetics. [citation needed]
Illness, though much rarer, can also cause anterograde amnesia if it causes encephalitis, which is the inflammation of brain tissue. There are several types of encephalitis: one such is herpes simplex encephalitis (HSV), which, if left untreated, can lead to neurological deterioration. How HSV gains access to the brain is unknown.
Korsakoff's syndrome is unique because it involves both anterograde and retrograde amnesia. [45] Drug-induced amnesia is intentionally caused by injection of an amnestic drug to help a patient forget surgery or medical procedures, particularly those not performed under full anesthesia, or likely to be particularly traumatic. Such drugs are also ...
High doses of many shorter-acting benzodiazepines may also cause anterograde amnesia and dissociation. [4] These properties make benzodiazepines useful in treating anxiety, panic disorder, insomnia, agitation, seizures, muscle spasms, alcohol withdrawal and as a premedication for medical or dental procedures. [5]
Blackouts are frequently described as having effects similar to that of anterograde amnesia, in which the subject cannot recall any events after the event that caused amnesia. Research on alcohol blackouts was done by E. M. Jellinek in the 1940s.
Paradoxical behavior is often not recalled by the patient due to the amnesia-producing properties of the drug. In extreme situations, flumazenil can be administered to inhibit or reverse the effects of midazolam. Antipsychotic medications, such as haloperidol, have also been used for this purpose. [47] Midazolam is known to cause respiratory ...
There was no recent head trauma (somewhat similar symptoms can occur from a concussion); The symptoms last fewer than 24 hours; most commonly they last two to eight hours. The cause of TGA is unknown.
Benzodiazepines, such as diazepam, can cause anterograde amnesia, confusion, and sedation. The elderly are more prone to diazepam's confusion, amnesia, ataxia, hangover symptoms, and falls. Long-term use of benzodiazepines, such as diazepam, induces tolerance, dependency, and withdrawal syndrome. [20]