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Claritin and Allegra Differences



How do Claritin-D and Claritin, and Allegra-D and Allegra differ from each other?


The biggest difference between Claritin-D® and Claritin® (loratadine) is that Claritin® is only an antihistamine. Claritin-D® is both a decongestant and an antihistamine (pseudoephedrine). Allegra-D® and Allegra® (fexofenadine) have the same difference as Claritin® and Claritin-D®. Allegra-D® and Claritin-D® should be used when allergy symptoms include a stuffy nose because decongestants help dry out nasal congestion. All of these products are typically free of side effects, but the decongestant pseudoephedrine can result in insomnia. If you have high blood pressure, an overactive thyroid or an enlarged prostate consult your doctor before taking pseudoephedrine-containing medicines like Claritin-D® and Allegra-D®.

Claritin® and Allegra® are available over-the-counter. Claritin-D® and Allegra-D® are available behind-the-counter because they contain pseudoephedrine. Check with a pharmacist or physician before using any new medication or drug.

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Answers to questions regarding information about medications or health conditions are not for diagnostic or treatment purposes and are not conclusive as to the presence or absence of any health condition. Consult your physician for diagnosis and treatment of your medical condition. The information provided is not a substitute for medical advice. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a pharmacist toll-free at 1 (877) 250-5823.

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