Helps relieve symptoms caused by seasonal and non-seasonal allergies, such as hay fever.
Allegra 24 HR packaging - Help relieve symptoms

*Clinically proven to start working in one hour

“On long flights that extend past 12 hours, I am looking for a non‑drowsy treatment for my allergy symptoms.”

- Roger, Senior Lead Pilot

The non‑drowsy, fast*, effective, multi-symptom allergy relief of Allegra 24 Hour makes it a suitable option for Roger**.

*Clinically proven to start working in one hour.
**Common side effects that may occur include headache, nausea, sleepiness, fatigue, diarrhea, stomach discomfort, abdominal pain, lightheadedness, dry eye, nosebleed and sleeplessness.

Is nasal and sinus congestion
slowing you down?

Help relieve allergy congestion and other allergy symptoms with Allegra‑D.

Seasonal allergies with added nasal and sinus congestion? Try Allegra-D. One pill combines an non-drowsy antihistamine with a decongestant giving you fast* effective relief from sneezing; runny nose; itchy, watery, red eyes; itchy nose, palate, and throat; and nasal and sinus congestion for up to 12 hours. Now take a deep breath and feel the Allegra-D difference.

*Clinically proven to start working in one hour.

Not so fast! 
Gotcha!

Allegra is FAST EFFECTIVE relief that has been shown to start working within one hour*, so you can catch those allergies before they catch you!

*Clinically proven to start working in one hour

Is pollen testing your patience?

Allegra has been put to the test.

Allegra 12 HR has been studied in four different clinical trials in 3,157 people with seasonal allergies. Two studies each were conducted during the spring and fall allergy seasons. These studies showed that Allegra (60 mg) taken twice daily significantly reduced symptoms of seasonal allergies*.

*Symptoms include sneezing; runny nose; itchy, watery, red eyes, and itchy nose/palate/throat.