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A member asked:

Can i take allegra (fexofenadine) d and sudafed together?

4 doctor answers6 doctors weighed in
Dr. Glenn Skow
Family Medicine 12 years experience
No: The D in Allegra-D is the same active ingredient as sudafed.
Dr. John Goldman
Rheumatology 55 years experience
No: These both have decongestants in them so only one or the other
Dr. Karen Dantin
Family Medicine 37 years experience
Plain Allegra and sudaafes ok
Jul 27, 2014
Dr. Elizabeth Wallen
Pediatrics 35 years experience
Same medication: The D in Allegra (fexofenadine) D is in Sudafed. The both contain pseudo ephedrine. You are double dosing yourself.
Dr. Francine Mosley
General Practice 20 years experience
Don't do that!: The D is for decongestant; in Allegra-D the decongestant is Sudafed, generic name: pseudoephidrine. Do NOT take a double dose!

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VA
A male asked:

Can I take Allegra (fexofenadine) 24-hour and Sudafed PE together?

1 doctor answer2 doctors weighed in
Dr. Kathy Robinson
Family Medicine 32 years experience
Yes: You can take them together. Allegra (fexofenadine) 24 hour is a nonsedating antihistamine and Sudafed PE is a decongestant. This would be similar to taking allegra (fexofenadine) D. What you do not want to do is take Allegra (fexofenadine) D with sudafed, then you would get too much decongestant. Also you want to avoid decongestants if you have certain conditions like hypertension. Also don't take the sudafed at bedtime.

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Last updated Jan 28, 2021

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