Claritin® Efficacy

Significantly greater symptom relief than placebo for all AR symptoms tested chart

A clear choice for well-proven relief from allergic rhinitis symptoms1

Loratadine, the active ingredient in Claritin®, provides relief of a wide range of symptoms associated with SAR.

  • Significantly greater symptom relief than placebo for all AR symptoms tested

*Also available in other formulations.

Claritin® is not indicated for relief of itching ears or palate, or red, puffy eyes.

P<0.05 vs loratadine.

Adapted from Kaiser et al, 2008.

Post-hoc analysis of day 2 data from a 7 day randomized, placebo-controlled, double-blind, double-dummy study involving 835 subjects aged 12 to 60 years with a ≥2-year history of SAR.

AR=allergic rhinitis; qd=once daily; SAR=seasonal allergic rhinitis.

Significant improvement in TSS at the final pm assessments vs placebo chart

Claritin® provides consistent symptom relief from day 1 up to 7 days vs placebo2

A multicenter, randomized, double-blind, double-dummy, placebo-controlled, parallel-group study involving 836 subjects aged 12 to 60 years with a ≥2-year history of spring and summer SAR.2

qd=once daily; TSS=total symptom severity scores; SAR=seasonal allergic rhinitis.

Significant improvements in all 7 quality of life domains compared with placebo chart

Claritin®: the clear choice to help improve patients’ quality of life3,†

Loratadine, the active ingredient in Claritin®, improved quality of life 52% greater than placebo

*P≤0.001 vs placebo.

Based on overall (mean of 7 domains) rhinoconjunctivitis quality of life scores after 2 weeks of treatment.

Adapted from Philip et al, 2002.

A multicenter, randomized, double-blind, placebo- and active-controlled trial involving 1302 adult patients (15 to 81 years) with active allergic rhinitis symptoms. In this study montelukast was compared with loratadine and placebo.

CI=confidence interval; LS=least squares.


#1 Doctor Recommended

Claritin® is the #1 doctor recommended OTC brand of non-drowsy adult oral antihistamines4

#1 worldwide icon

Claritin® is the world’s best-selling non-prescription allergy remedy4

Clinically proven icon

Approximately 90,000 subjects aged 12 years and older have been treated with loratadine (10 mg, once daily) in controlled and uncontrolled clinical trials5

  • Claritin® is the #1 pharmacist-recommended oral antihistamine6
  • Claritin® is available in over 100 countries4
  • Loratadine products have a total estimated exposure of more than 29 billion patient treatment days4
  • Loratadine products have over 30 years of patient use4


  • Patients concerned about drowsiness
    • Includes professional drivers, pilots, machinery operators, etc.
  • Patients seeking 24-hour relief
  • Patients with allergies, without nasal congestion
  • Patients who appreciate the varied forms, who want an on-the-go solution, chewable, RediTabs®, or tablet
  • Patients with indoor or outdoor allergies
Man smiling on phone with Claritin package in foreground


Claritin® offers allergy relief for kids and adults in a variety of forms and flavors.

Help your patients tackle their tough allergy symptoms with samples and coupons for Claritin® products.

Samples and coupons - Collection of Claritin packages

References: 1. Kaiser HB, Gopalan G, Chung W. Loratadine provides early symptom control in seasonal allergic rhinitis. Allergy Asthma Proc. 2008;29:654-658. 2. Kaiser HB, Rooklin A, Spangler D, Capano D. Efficacy of loratadine compared with fexofenadine or placebo for the treatment of seasonal allergic rhinitis. Clin Drug Invest. 2001;21(8):571-578. 3. Philip G, Malstrom K, Hampel Jr. FC, et al. Montelukast for treating seasonal allergic rhinitis: a randomized, double-blind, placebo-controlled trial performed in the spring. Clin Exp Allergy. 2002;32(7):1020-1028. 4. Data on file. Bayer Pharmaceuticals. 5. Claritin®. Prescribing information. Schering Corporation; 2000. 6. U.S. News & World Report and Pharmacy Times®. Antihistamines for allergies rankings. Accessed October 22, 2021. https://health.usnews.com/drugs/rankings/top-rec-oral-antihistamines