Sedating and non sedating antihistamines girlzdating com

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It has been recognised for over 30 years that drug safety depends not only on preclinical studies but also on post-marketing surveillance.6 Post-marketing prescription-event monitoring studies observe large cohorts and aim to provide data on around 10 000 patients for each drug.The data consist of the real life experiences of patients, who are often taking concomitant drugs for other conditions.

There was no increased risk of accident or injury with any of the four drugs.These studies correlated prescriptions issued in general practice with events reported by the patients to their general practitioners after the drug was dispensed.By monitoring these events in a substantial population of allergy sufferers, without the restrictions imposed by clinical trials methodology, it was possible to measure differences in side effects between these drugs.Main outcome measure: Reporting of sedation or drowsiness.Results: The odds ratios (adjusted for age and sex) for the incidence of sedation were 0.63 (95% confidence interval 0.36 to 1.11; P=0.1) for fexofenadine; 2.79 (1.69 to 4.58; P Antihistamines are often used to treat the symptoms of allergies such as seasonal and perennial allergic rhinitis and urticaria.

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