Learn the triggers, symptoms, and preventions of many indoor allergies.

Allegra® Allergy 12 Hour Tablets
Experience long-lasting relief with Allegra® 12 Hour Tablets.
Get fast-acting relief from tough allergy symptoms like a runny nose, sneezing, itchy, watery eyes and itchy nose or throat. Allegra® kicks in within just one hour with 0% brain interference for non-drowsy allergy relief - that's right, it doesn't cross your blood-brain barrier and leave you feeling sleepy. That's why it's the #1 allergist-recommended non-drowsy allergy brand*.
0% Brain Interference for non-drowsy allergy relief
Fast-acting**
Long-lasting - 12 hours
Relieves both indoor and outdoor allergies
*Among OTC oral antihistamines
**Starts working in one hour.
Product information
0% brain interference from drowsiness matters
Some allergy relief medications enter your brain, making you feel tired and sluggish, but Allegra® is different. Unlike other antihistamines and because of its size, fexofenadine won't enter your brain so you stay clear-headed and alert while getting non-drowsy allergy relief.
Allegra® in Action
Why compromise? Watch as Allegra® helps you stay sharp with effective, long-lasting allergy relief from the #1 allergist-recommended non-drowsy brand*, because you should never have to choose between feeling good or staying awake.
*Among OTC oral antihistamines
FAQs
No, instead Allegra® Allergy 12-Hour Tablets have fexofenadine, a non-drowsy antihistamine that targets allergy symptoms like sneezing, runny nose, itchy/watery eyes, and itchy nose or throat.
You can! Thanks to the CARES Act, you may be able to use your HSA or FSA to purchase certain OTC products, including Allegra®. Just save your receipt and check with your benefits provider for eligibility.
No, always stick to the recommended dosage. More won’t speed things up or enhance the effects.
If you’re pregnant or breastfeeding and dealing with allergy symptoms, check in with your healthcare professional first.
Allegra® 12 Hour Tablets are lactose-free.
Customer Reviews
Meet your match, without compromise
Try our Allergy Symptom Checker to discover which Allegra®* might be right for you.
*Allegra relieves allergic rhinitis symptoms
Related Articles