At a glance
| Generic | fexofenadine |
|---|---|
| Active ingredient | Fexofenadine HCl 180 mg (24 Hour) or 60 mg (12 Hour) |
| Type | Oral antihistamine (pill) |
| Label uses | runny nose, sneezing, itchy, watery eyes, itching of the nose or throat |
| Nasal congestion on label | No |
| Drowsiness | No drowsiness warning |
| How often | Once a day (180 mg) or twice a day (60 mg) |
| Youngest age on label | 12 years |
| Maximum | 1 x 180 mg or 2 x 60 mg tablets in 24 hours |
What it treats
The label says Allegra temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:
- Runny nose
- Sneezing
- Itchy, watery eyes
- Itching of the nose or throat
Dose by age
| Who | Label directions |
|---|---|
| Adults and children 12 and older (24 Hour) | One 180 mg tablet with water once a day. Not more than 1 tablet in 24 hours. |
| Adults and children 12 and older (12 Hour) | One 60 mg tablet with water every 12 hours. Not more than 2 tablets in 24 hours. |
| Children under 12 | Do not use (these tablets). |
| Adults 65 and older, or kidney disease | Ask a doctor. |
Drowsiness
No drowsiness warning The label has no drowsiness warning.
Warnings on the label
- Do not use if you have ever had an allergic reaction to this product or any of its ingredients.
- Ask a doctor before use if you have kidney disease.
- Do not take at the same time as aluminum or magnesium antacids.
- Do not take with fruit juices: take it with water.
Take it with water, not fruit juice, and not at the same time as aluminum or magnesium antacids. Both are on the label.
Compare Allegra with
Frequently asked questions
Is Allegra non-drowsy?
The label has no drowsiness warning.
How often can you take Allegra?
Once a day (180 mg) or twice a day (60 mg). Maximum on the label: 1 x 180 mg or 2 x 60 mg tablets in 24 hours.
Can children take Allegra?
Adults and children 12 and older (24 Hour): One 180 mg tablet with water once a day. Not more than 1 tablet in 24 hours. Adults and children 12 and older (12 Hour): One 60 mg tablet with water every 12 hours. Not more than 2 tablets in 24 hours. Children under 12: Do not use (these tablets).
Is generic fexofenadine the same as Allegra?
Store-brand products list their active ingredient on the Drug Facts label. If it says Fexofenadine HCl 180 mg, it is the same medicine at the same strength. Check the label for other added ingredients.
Source
Allegra Allergy Drug Facts label (Drugs.com, from the manufacturer's label). Labeler: Chattem, Inc.. Checked October 17, 2026. Labels change, so read the one on your box. This page summarizes the label and is not medical advice. How we check.