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Claritin-D and Sports Performance : Guidelines and Impact Explained

Athletes often encounter various challenges when it comes to managing allergies while maintaining optimal sports performance. One common medication used for allergy relief is Claritin-D, which combines an antihistamine and a decongestant. However, it is essential for athletes to be aware of the rules and regulations surrounding the use of Claritin-D in sports. This article aims to provide athletes with a comprehensive understanding of the guidelines regarding Claritin-D usage and its potential impact on sports performance.

Claritin-D and Sports Performance: Guidelines and Impact Explained

  1. The Role of Claritin-D in Allergy Relief:

    Claritin-D is a combination medication that contains loratadine (an antihistamine) and pseudoephedrine (a decongestant). It is primarily used to alleviate symptoms associated with allergies, such as sneezing, runny nose, and nasal congestion. By blocking histamine receptors and reducing nasal swelling, Claritin-D provides relief from allergic reactions.(1)

  2. WADA Guidelines and Prohibited Substances:

    The World Anti-Doping Agency (WADA) is responsible for establishing and enforcing anti-doping regulations in sports. WADA maintains a list of prohibited substances and methods that athletes must adhere to. As of the most recent version of the WADA Prohibited List, loratadine (the antihistamine component of Claritin-D) is not a prohibited substance, while pseudoephedrine (the decongestant component) has specific threshold limits.(2)

  3. Pseudoephedrine and Threshold Limits:

    WADA has established a threshold limit for pseudoephedrine to ensure fair competition and prevent potential misuse as a performance-enhancing drug. Athletes must ensure that their urinary concentration of pseudoephedrine remains below the specified threshold (150 micrograms per milliliter) during in-competition testing.(3)

  4. Declaration and Therapeutic Use Exemptions (TUEs):

    Athletes who require regular use of Claritin-D should be aware of the necessity to declare its use on doping control forms. It is important to consult with the relevant sports authorities or anti-doping organizations to understand the specific declaration procedures. In some cases, athletes may need to obtain a Therapeutic Use Exemption (TUE) if their usage exceeds the permitted limits or if pseudoephedrine is not allowed without proper authorization.(4)

  5. Potential Effects on Sports Performance:

    While Claritin-D is primarily used for allergy relief, athletes may have concerns about its potential impact on sports performance. Generally, loratadine does not have significant sedative or performance-enhancing effects. However, pseudoephedrine, being a stimulant, may cause mild side effects such as increased heart rate, elevated blood pressure, and potential alterations in focus or alertness. Athletes should be mindful of these effects and evaluate their personal response to the medication during training and competition.(5)


As an athlete, understanding the rules and regulations surrounding the use of Claritin-D is crucial for maintaining compliance with anti-doping guidelines while effectively managing allergies. By familiarizing themselves with WADA guidelines, pseudoephedrine threshold limits, and necessary declarations or TUE processes, athletes can use Claritin-D within the permitted parameters. It is recommended to consult with sports authorities, anti-doping organizations, or healthcare professionals for personalized advice and guidance regarding the usage of Claritin-D or any other medications to ensure both allergy relief and adherence to the rules of fair competition.


  1. Drugs.com. (2021). Claritin-D 24 Hour. Retrieved from https://www.drugs.com/claritin-d.html
  2. World Anti-Doping Agency (WADA). (2021). The 2021 Prohibited List. Retrieved from https://www.wada-ama.org/sites/default/files/resources/files/2021list_en.pdf
  3. World Anti-Doping Agency (WADA). (2021). The 2021 Monitoring Program. Retrieved from https://www.wada-ama.org/sites/default/files/resources/files/2021_monitoring_program_qa_en.pdf
  4. United States Anti-Doping Agency (USADA). (2021). Therapeutic Use Exemptions (TUEs). Retrieved from https://www.usada.org/substances/tue/
  5. Mayo Clinic. (2021). Loratadine (Oral Route). Retrieved from https://www.mayoclinic.org/drugs-supplements/loratadine-oral-route/description/drg-20071986

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Team PainAssist
Written, Edited or Reviewed By: Team PainAssist, Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:July 17, 2023

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