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Related Concept Videos

Antianginal Drugs: Calcium Channel Blockers and Ranolazine01:25

Antianginal Drugs: Calcium Channel Blockers and Ranolazine

Angina pectoris, a primary symptom of ischemic heart disease, requires careful pharmacological interventions. In this context, calcium channel blockers (CCBs) and ranolazine have emerged as crucial pharmacotherapeutic agents, providing deep insights into the complexities of angina management.
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs01:28

Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs

Tricyclic Antidepressants (TCAs), including Desipramine (Norpramin), Imipramine (Tofranil), Clomipramine (Anafranil), and Amitriptyline (Elavil), inhibit serotonin and norepinephrine reuptake and also block other receptors. They are used for depression, pain conditions, and insomnia. Common adverse effects include anticholinergic effects, sedation, orthostatic hypotension, and weight gain. They have a narrow therapeutic window and so require plasma-level monitoring. Abrupt discontinuation can...
Peripherally and Centrally Acting Muscle Relaxants: A Comparison01:09

Peripherally and Centrally Acting Muscle Relaxants: A Comparison

Skeletal muscle relaxants can target the central nervous system [CNS] to reduce muscle tension or act directly at the neuromuscular junction to induce temporary paralysis. These two classes of muscle relaxants are called centrally acting muscle relaxants and peripherally acting muscle relaxants. They differ in their action, mechanism, administration route, and clinical uses.
Centrally acting muscle relaxants can be further divided into spasmolytic and antispasmodic drugs. Spasmolytic drugs,...
Drug Delivery: Enteral Route01:18

Drug Delivery: Enteral Route

The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
Drugs in...
Adrenergic Antagonists: ɑ and β-Receptor Blockers01:31

Adrenergic Antagonists: ɑ and β-Receptor Blockers

Third-generation β-blockers, such as labetalol and carvedilol, represent a significant advancement in managing cardiovascular conditions. Unlike conventional β-blockers, which can induce peripheral vasoconstriction, third-generation drugs block α1 adrenoceptors. This promotes vasodilation through several mechanisms, such as increased nitric oxide production, inhibition of calcium ion entry, opening of potassium ion channels, and antioxidant action. Labetalol, for instance, is clinically...
Antianginal Drugs: Nitrates and β-Blockers01:16

Antianginal Drugs: Nitrates and β-Blockers

In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates,  such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...

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Updated: Jun 21, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Rizatriptan. Convenience and consistency.

R W Evans1

  • 1department of neurology at University of Texas at Houston Medical School, USA. rwevans@pol.net

Postgraduate Medicine
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

Rizatriptan, available as a dissolving tablet, offers convenient migraine relief. Clinical data suggest rizatriptan may be more effective than sumatriptan for treating multiple migraine attacks.

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Disrupting Reconsolidation of Fear Memory in Humans by a Noradrenergic β-Blocker
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Last Updated: Jun 21, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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Area of Science:

  • Neurology
  • Pharmacology

Background:

  • Acute migraine treatment requires convenient and effective drug options.
  • Triptan-class medications are commonly used, with oral formulations preferred over injections.
  • Rizatriptan offers an orally disintegrating tablet (ODT) formulation for enhanced convenience.

Purpose of the Study:

  • To evaluate the effectiveness of rizatriptan compared to sumatriptan for acute migraine treatment.
  • To highlight the benefits of rizatriptan's orally disintegrating tablet formulation.

Main Methods:

  • Review of clinical trial data comparing rizatriptan and sumatriptan.
  • Analysis of patient response variability to different triptan medications.

Main Results:

  • Rizatriptan, particularly its ODT form, provides convenient dosing for migraine patients.
  • Clinical trials suggest rizatriptan may demonstrate greater effectiveness than sumatriptan across multiple migraine attacks.

Conclusions:

  • Rizatriptan is a viable and potentially more effective option for patients experiencing inconsistent responses to sumatriptan.
  • The orally disintegrating tablet formulation of rizatriptan enhances patient convenience and adherence in migraine management.