http://www.unboundmedicine.com/medline/ebm/research/Claritin_D_12_HourUnbound MEDLINE is a service provided by Unbound Medicine, Inc. that includes data and services from the U.S. National Library of Medicine's MEDLINE® and PubMed® databases.en-usUnbound Medicine, Inc.http://www.unboundmedicine.com/medline/ebm/record/14971120/full_citation/The_risk_of_esophageal_obstruction_associated_with_an_anti_allergy_medication__Claritin_D_24_Hour__original_formulation__Manda B, Drinkard CR, Shatin D, et al. 
The risk of esophageal obstruction associated with an anti-allergy medication (Claritin-D 24-Hour--original formulation). [Journal Article]
Pharmacoepidemiol Drug Saf 2004 Jan; 13(1):29-34.
Abstract | Full Citation | Publisher Full Text | Find Related Articles http://www.unboundmedicine.com/medline/ebm/record/10099066/full_citation/Comparative_efficacy_and_safety_of_once_daily_versus_twice_daily_loratadine_pseudoephedrine_combinations_versus_placebo_in_seasonal_allergic_rhinitis_Kaiser HB, Banov CH, Berkowitz RR, et al. 
Comparative efficacy and safety of once-daily versus twice-daily loratadine-pseudoephedrine combinations versus placebo in seasonal allergic rhinitis. [Clinical Trial, Journal Article, Multicenter Study, Randomized Controlled Trial]
Am J Ther 1998 Jul; 5(4):245-51.
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Pharmacokinetics of loratadine and pseudoephedrine following single and multiple doses of once- versus twice-daily combination tablet formulations in healthy adult males. [Clinical Trial, Journal Article, Randomized Controlled Trial]
Clin Ther 1997 Sep-Oct; 19(5):1002-12.
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