Treats allergy symptoms. Allegra (Fexofenadine) relieves allergy symptoms without making you feel drowsy. Treats allergy symptoms. Claritin (Loratadine) is a once-daily allergy relief medication that doesn't make you feel sleepy. How it works Allegra (Fexofenadine) is an antihistamine. It blocks histamine, a chemical that causes congestion, itching, and other allergic reactions. Claritin (Loratadine) is an antihistamine. It blocks histamine, a chemical that causes congestion, itching, and other allergic reactions. Antihistamines can also make you sleepy, but Loratadine is a low-drowsiness version. Type of medication Antihistamine
› 2nd generation
Prescription or OTC Antihistamine
› 2nd generation
Prescription or OTC Available as Pill Dissolving tablet Liquid Pill Chewable tablet Orally disintegrating tablet Liquid Used for (click to learn more) Find lowest prices Save on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance. Reviews & ratings Everyone Men Women Button Group. All currently active Everyone Men Women All ages 18-34 35-54 55+ Button Group. All currently active All ages 18-34 35-54 55+ 5.2727272727272725 Allegra
Reviews for Allegra (Fexofenadine)
of people say Allegra (Fexofenadine) is worth it
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Reviews for Claritin (Loratadine)
vs. Allegra (Fexofenadine)
21% vs. Allegra (Fexofenadine)
6% vs. Allegra (Fexofenadine)
Side effects More Allegra side effects »
We haven’t found good data for Claritin side effects.
FDA side effect reports for Claritin » Risk factors for serious side effects › Taking with alcohol › Taking other medicines that make you less alert › History of phenylketonuria (PKU) Detailed Allegra (Fexofenadine) risks & warnings » › Taking with alcohol › Taking other medicines that make you less alert › History of phenylketonuria (PKU) Detailed Claritin (Loratadine) risks & warnings » Pregnancy category C FDA pregnancy category (Weigh risks vs. benefits)
Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.
See the FDA package insert N FDA pregnancy category (Unknown)
The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.
See the FDA package insert
Alcohol No specific alcohol-related info. No specific alcohol-related info.
Food No specific food-related info. No specific food-related info.
Kidneys and liver › The dose needs to be adjusted for people with kidney problems. No specific kidneys and liver-related info.
Sex No specific sex-related info. No specific sex-related info.
Sleep No specific sleep-related info. No specific sleep-related info.
Weight No specific weight-related info. No specific weight-related info. Upsides and benefits › Relieves allergy symptoms, like sneezing, runny nose, and itching. › Approved to be used in kids and adults age 6 months and older. › Won't make you feel drowsy like some antihistamine medicines. › Available over-the-counter without a prescription. › Comes in many forms, such as a tablet, liquid, or quick-dissolving tablet. › It's okay to take with most other medications since it has very few interactions. › Relieves allergy symptoms like sneezing and runny nose just as well as other antihistamines, but with less sedation (drowsiness). › Also treats hives and itchy skin. › Side effects are rare and usually mild. › Available over the counter without a prescription. › Comes as a tablet, liquid, or quick-dissolving tablet. › Can provide quick relief of allergy symptoms for both kids and adults. › Okay to take with most other medications because it doesn't have many interactions. Downsides and risks › For some people, the effects Allegra (Fexofenadine) has on allergies will wear off over time. › May not work as well as the first-generation antihistamines, like diphenhydramine (Benadryl). › The dose needs to be adjusted for people with kidney problems. › For some people, its effectiveness on treating allergies wears off over time. › Some people find that other more sedating antihistamines (like Zyrtec or Benadryl) are more effective for them. › If you have daily allergy symptoms, a prescription nasal steroid spray might be better for you long-term. › Not for kids under 2 years. › The Reditabs version contains aspartame (phenylalanine). Tips from our pharmacists for people taking the medication › Starts working in 1 to 2 hours depending on what dosage form you're taking. › Works best when taken regularly, even before symptoms are expected to appear. › Can make you feel dizzy or sleepy, so you can take it at bedtime. › Follow age-specific dosing and don't take more than recommended. › If symptoms get worse or you need to use it for more than a few weeks, talk with your doctor. › Take it only once a day. › Starts working in a few hours. › Can make you feel sleepy, so take it at bedtime if needed. › Avoid possible side effects by drinking plenty of non-caffeinated liquids. › If you need to use it for more than a few weeks, talk with your doctor about trying a nasal steroid instead, which might work better for you long-term. › Using an antihistamine eye drop might work better to help itchy or watery eyes. Learn more More about Allegra Side effects Reviews & ratings Alternatives FDA package insert More about Claritin Side effects Reviews & ratings Alternatives FDA package insert