Central features of paradoxical reactions (PRs) are
emotional lability, agitation, excessive movement, and confusion
. This may be associated with increased autonomic activity including tachycardia, hypertension, and tachypnea.
What is a paradoxical drug reaction?
A paradoxical drug reaction constitutes
an outcome that is opposite from the outcome that would be expected from the drug’s known actions
.
What drugs have a paradoxical effect?
Antipsychotics
.
Chlorpromazine
, an antipsychotic and antiemetic drug, which is classed as a “major” tranquilizer may cause paradoxical effects such as agitation, excitement, insomnia, bizarre dreams, aggravation of psychotic symptoms and toxic confusional states.
Does Xanax have paradoxical effects?
Paradoxical reactions (the opposite of what is expected), such as
over-excitation, anxiety, hallucinations, insomnia, and rage
have been reported by people taking alprazolam.
What is a paradoxical reaction to benzodiazepines?
Benzodiazepines frequently are administered to patients to induce sedation. Paradoxical reactions to benzodiazepines, characterized by
increased talkativeness, emotional release, excitement, and excessive movement
, are relatively uncommon and occur in less than 1% of patients.
What is paradoxical situation?
Paradoxical is an adjective that
describes a paradox
, something with two meanings that don’t make sense together. Its Greek roots translate to “contrary opinion,” and when two different opinions collide in one statement or action, that’s paradoxical.
What is a paradoxical convulsion?
Paradoxical seizure is
an unusual reaction of seizure aggravation or change in its pattern due to antiepileptics
. Decrease in seizure threshold with phenytoin is bound to occur with an increase in serum levels.
What is an idiosyncratic effect?
Idiosyncratic drug reactions may be defined as
adverse effects that cannot be explained by the known mechanisms of action of the offending agent
, do not occur at any dose in most patients, and develop mostly unpredictably in susceptible individuals only.
What is paradoxical excitement mean?
Paradoxical excitement response
during sedation
consists of loss of affective control and abnormal movements. Chronic alcohol abuse has been proposed as a predisposing factor despite lack of supporting evidence.
What is paradoxical reaction in TB?
Paradoxical reaction (PR) in tuberculosis (TB) is defined by
a clinical or radiological worsening of pre-existing tuberculous lesions or the development of new lesions
, in patients receiving anti-tuberculous medication who initially improved on treatment.
What is benzo rage?
Benzo fury is
a synthetic drug
that’s most popular in the U.K. and U.S. The drug’s exact pharmacological uses are unknown, but benzo fury is usually taken to produce a hallucinogenic, visual high (sometimes called a “trip”). Like many other substances abused recreationally, this drug is not without risk.
What causes a paradoxical effect?
Risk factors for paradoxical reactions include
psychiatric comorbidity, extremes of age, and alcoholism
. Treatment consists of discontinuing the offending agent and reversing it if possible (with flumazenil for PRs due to benzodiazepine). If needed, non-GABA sedatives may be used (e.g. ketamine, haloperidol, opioids).
What is paradoxical aggression?
TYPOLOGY AND PREVALENCE: Paradoxical reactions of aggressiveness under benzodiazepines have been discussed in the scientific literature since the 1960s. This term was introduced to describe
reactions of agitation and disinhibition occurring during anxiolytic or hypnotic treatment
.
Can caffeine have a paradoxical effect?
One researcher suggests that although
rare, caffeine may have a paradoxical effect on some people
—they may react to it as though it were a sedative. More commonly however, is that very large doses might promote a state of endless withdrawal and tolerance thereby interrupting sleep patterns and causing sedation.
What is a paradoxical reaction to Benadryl?
When a medication has an effect that’s the opposite of what’s expected
, it’s called a paradoxical effect. In some people, taking Benadryl can actually have a stimulant effect, which is called paradoxical excitation. People that experience this after taking Benadryl may report feeling: excitable.
Is a paradox true?
A paradox is a
logically self-contradictory statement
or a statement that runs contrary to one’s expectation. It is a statement that, despite apparently valid reasoning from true premises, leads to a seemingly self-contradictory or a logically unacceptable conclusion.
