Compare Allegra vs. Claritin

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Allegra (fexofenadine)

Over-the-counter

Claritin (loratadine)

Prescription or OTC
Treats allergy symptoms.

Allegra (fexofenadine) relieves allergy symptoms without making you feel drowsy.

3.9/ 5 average rating with 24 reviewsforAllegra
Treats allergies.

Claritin (loratadine) is a once-daily medicine for allergies that won't make you as sleepy as other medicines that work like it.

3.7/ 5 average rating with 1517 reviewsforClaritin
Upsides
  • Allegra (fexofenadine) is effective at reducing symptoms for seasonal allergies and chronic hives without significant drowsiness, unlike Benadryl.
  • Approved for kids aged 6 months or older.
  • Allegra (fexofenadine) comes in many forms, like tablet, liquid, and quick-dissolving tablet.
  • It doesn't cause daytime drowsiness unlike other antihistamines.
  • Side-effects are mild, if any at all.
  • Available over-the-counter without a prescription.
  • It provides quick relief of allergy symptoms for both children and adults.
  • It doesn't interfere with how a lot of other medicines work.
Downsides
  • Allegra (fexofenadine)'s effectiveness can wear off over time.
  • The dose needs to be adjusted for people with kidney problems.
  • It's not the best choice if you have persistent, daily allergy symptoms.
  • It's not recommended for children less than 2 years old.
Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Liquid
  • Pill
  • Chewable tablet
  • Dissolving tablet
  • Liquid
No pricing information available
No pricing information available
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Reviews
24 reviews so far
79%
saidit'sworth it
63%
saiditworked well
0%
saidit'sa big hassle

Have you used Allegra (fexofenadine)?

Leave a review
1517 reviews so far
74%
saidit'sworth it
38%
saiditworked well
6%
saidit'sa big hassle

Have you used Claritin (loratadine)?

Leave a review
Side effects
4possible side effects
  • Dizziness
    2%
  • Back Pain
    2%
  • Stomach discomfort
    2%
  • Pain in hands/feet
    2%
See more detailed side effects
19possible side effects
  • Headache
    12%
  • Drowsiness
    8%
  • Nervousness or anxiety
    4%
  • Wheezing
    4%
  • Tiredness
    4%
  • Rash
    3%
  • Diarrhea
    3%
  • Mouth or tongue irritation
    3%
  • Dry mouth
    3%
  • Hyperactive behavior
    3%
  • Ear pain
    3%
  • Bloody nose
    3%
  • Sore throat
    3%
  • Flu-like symptoms
    3%
  • Abdominal pain
    2%
  • Pink eye
    2%
  • Lung infections
    2%
  • Difficulty speaking
    2%
  • Feeling uneasy or uncomfortable
    2%
See more detailed side effects
Risks and risk factors
  • Driving impairment
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • Brain damage from too much phenylalanine
    • History of phenylketonuria (PKU)
See more detailed risks and warnings
  • Difficulty concentrating
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • Excess phenylalanine
    • History of phenylketonuria (PKU)
See more detailed risks and warnings
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Disclaimer: We don't provide medical advice. If you think you might have a medical emergency, call your doctor or 911 immediately.