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Pseudobulbar affect (PBA), or emotional incontinence, is a type of neurological disorder characterized by uncontrollable episodes of crying or laughing. PBA occurs secondary to a neurologic disorder or brain injury. Patients may find themselves crying uncontrollably at something that is only slightly sad, being unable to stop themselves for ...
Dextromethorphan/quinidine was investigated for the treatment of agitation associated with dementia, diabetic neuropathy, drug-induced dyskinesia, migraine, and neuropathic pain, but development for these indications was discontinued. [7]
Nuedexta is an FDA approved medication for pseudobulbar affect. Dextromethorphan, an N-methyl-D-aspartate receptor antagonist, inhibits glutamatergic transmission in the regions of the brainstem and cerebellum, which are hypothesized to be involved in pseudobulbar symptoms, and acts as a sigma ligand, binding to the sigma-1 receptors that ...
In 2010, the FDA approved the combination drug dextromethorphan/quinidine under the brand name Nuedexta [19] for the treatment of pseudobulbar affect (uncontrollable laughing/crying). Dextromethorphan is the active therapeutic agent in the combination; quinidine merely serves to inhibit the enzymatic degradation of dextromethorphan and thereby ...
There is one study supporting the use of a novel combination of dextromethorphan and low dose quinidine in alleviating symptoms of easy laughing and crying (pseudobulbar affect); these are a type of rather severe uncontrollable behaviors which can be present in various neurological pathologies such as amyotrophic lateral sclerosis and multiple sclerosis.
[135] [138] [139] For those patients with MS who have pseudobulbar affect (PBA), characterized by uncontrollable episodes of crying and/or laughing, or other emotional displays, Dextromethorphan/quinidine can be considered as treatment as it is the only FDA approved drug for treatment for PBA, though other medications such as selective ...
Amid another grueling summer heat wave, keep your medications in mind. Heat and humidity fluctuations may make drugs less effective, experts say. Amid extreme heat, don't make these common ...
Emotional disturbance (e.g. pseudobulbar affect) and cognitive and behavioural changes (e.g. problems in word fluency, decision-making, and memory) are also seen. [ 2 ] [ 6 ] There can be lower motor neuron findings (e.g. muscle wasting, muscle twitching), upper motor neuron findings (e.g. brisk reflexes, Babinski reflex , Hoffman's reflex ...
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