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Sodium channel blockers are also used as local anesthetics and anticonvulsants. [5] Sodium channel blockers have been proposed for use in the treatment of cystic fibrosis, [6] but current evidence is mixed. [7] It has been suggested that the analgesic effects of some antidepressants may be mediated in part via sodium channel blockade. [8]
It is a sodium channel blocker and is classified as a Class 1a anti-arrhythmic agent. [3] [4] Disopyramide has a negative inotropic effect on the ventricular myocardium, significantly decreasing the contractility. [5] [6] Disopyramide also has general anticholinergic effects which contribute to unwanted adverse effects. Disopyramide is ...
Sodium channel inhibitors are used as both antiepileptics and antiarrhythmics, as they can inhibit the hyper-excitable tissues in a patient. [22] Introducing specific sodium channel blockers into a tissue allows for the preferential binding of the blocker to sodium channels, which results in an ultimate inhibition of the flow of sodium into the ...
The effect on sodium channels could be of particular relevance for seizure protection. Although topiramate does inhibit high-voltage-activated calcium channels, its relevance to clinical activity is uncertain. Effects on specific GABA-A receptor isoforms could also contribute to the antiseizure activity of the drug.
The most common side effects of bedaquiline in studies were nausea, joint and chest pain, and headache. The drug also has a black-box warning for increased risk of death and arrhythmias, as it may prolong the QT interval by blocking the hERG channel. [15] Everyone on bedaquiline should have monitoring with a baseline and repeated ECGs. [3]
This receptor is believed to be the chief receptor responsible for the anticholinergic side effects of thioridazine (e.g. dry mouth, constipation, blurred vision, etc.). Likely plays a role in thioridazine's low extrapyramidal side effect liability as anticholinergic drugs such as benzatropine are routinely given to treat extrapyramidal side ...
An epithelial sodium channel blocker is a sodium channel blocker that is selective for the epithelial sodium channel. An example is amiloride , which is used in the treatment of hypertension . [ 1 ]
Quinidine is an inhibitor of the cytochrome P450 enzyme 2D6, and can lead to increased blood levels of lidocaine, beta blockers, opioids, and some antidepressants. Quinidine also inhibits the transport protein P-glycoprotein and so can cause some peripherally acting drugs such as loperamide to have central nervous system side effects, such as ...