Comparing Allegra Allergy vs Levocetirizine

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Allegra Allergy (fexofenadine)	Levocetirizine	Enter another drug to compare

Allegra Allergy (fexofenadine)

Levocetirizine

Over-the-counter

Prescribed for Allergic Rhinitis, Allergies. Allegra Allergy may also be used for purposes not listed in this medication guide.

Prescription and OTC

Prescribed for Urticaria, Allergic Rhinitis, Allergies, Food Allergies. Levocetirizine may also be used for purposes not listed in this medication guide.

More about Allegra Allergy (fexofenadine)

More about Levocetirizine

Ratings & Reviews

Allegra Allergy has an average rating of 4.7 out of 10 from a total of 12 ratings on Drugs.com. 42% of reviewers reported a positive effect, while 50% reported a negative effect.

Levocetirizine has an average rating of 5.6 out of 10 from a total of 346 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 40% reported a negative effect.

View all 12 reviews

View all 346 reviews

Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified.

View all Allegra Allergy side effects

Drowsiness (22.3%)
Tiredness (13.9%)
Depression (6.4%)
Fatigue (6.1%)
Anxiety (5.8%)
Itching (5.2%)
Dizziness (4.9%)

View all Levocetirizine side effects

Drug Class

Antihistamines

Antihistamines

Generic Availability

Lower cost generic approved

Lower cost generic

Pricing and Coupons * Prices are without insurance

Quantity	5 tablet
Strength	180 mg
Per unit^*	$3.59
Cost^*	$17.94

View all Allegra Allergy prices

Quantity	30 tablet
Strength	5 mg
Per unit^*	$0.44 - $1.12
Cost^*	$13.28 - $33.51

View all Levocetirizine prices

Get free Discount Card

Dosage Forms

Oral suspension
Oral tablet

Oral solution
Oral tablet

Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value.

14 hours

8 hours

CSA Schedule ¹ View glossary of CSA terms

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

Category C Risk cannot be ruled out

See the full pregnancy warnings document.

Category B No proven risk in humans

See the full pregnancy warnings document.

Drug Interactions

A total of 113 drugs are known to interact with Allegra Allergy:

101 moderate drug interactions (230 brand and generic names)
12 minor drug interactions (47 brand and generic names)

A total of 254 drugs are known to interact with Levocetirizine:

2 major drug interactions (4 brand and generic names)
250 moderate drug interactions (1081 brand and generic names)
2 minor drug interactions (41 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Consuming large amounts of certain fruit juices, including grapefruit, orange and apple, may... View more

Alcohol can increase the nervous system side effects of levocetirizine such as dizziness... View more

Disease Interactions

Renal dysfunction

First Approval Date

February 25, 2000

N/A

WADA Class View classifications

N/A

More Information

Patient Resources

Allegra Allergy uses

Levocetirizine uses

Professional Resources

Prescribing information

¹ The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

Comparing Allegra Allergy vs Levocetirizine

See also:

Zyrtec

Triamcinolone nasal

Ozempic

Promethazine

Methylprednisolone

Dexamethasone

Loratadine

Montelukast

Cetirizine

Fluticasone nasal

Further information

Comparing Allegra Allergy vs Levocetirizine

See also:

Further information

Compare Drugs