Is Levocetirizine Less Sedating Than Cetirizine? A Randomized, Double-blind, Placebo Controlled Trial
Abstract
The purpose of this study is to determine whether cetirizine (zyrtec), levocetirizine (xyzal), and placebo differ in the degree of sedation they produce and their relief of allergy symptoms.
Conditions: Allergic Rhinitis.
Primary outcome: Modified Epworth Sleepiness Scale; Likert Score Rating Global Sedation.
Enrollment: 30 participants.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 30 participants or records.
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