Patanase vs. Clarinex

See how Patanase and Clarinex compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Patanase is a twice-daily nasal spray for seasonal allergies in ages 6 and up, while Clarinex is a once-daily pill that also covers perennial allergies and chronic hives starting at 6 months old.

  • Patanase acts directly on nasal tissue and carries specific warnings about nosebleeds and nasal irritation, while Clarinex works systemically and is generally non-sedating at the recommended dose.

  • Both are second-generation antihistamines, but Clarinex has broader FDA-approved uses and more formulation options for young children.

Patanase vs. Clarinex Drug Summary

Patanase

Patanase (olopatadine) is an H1 antihistamine nasal spray used to relieve seasonal allergic rhinitis in adults and children 6 and older. It's sprayed into each nostril twice a day, delivering the antihistamine directly to nasal tissue to ease sneezing, itching, and runny nose.

Clarinex

Clarinex (desloratadine) is a second-generation oral antihistamine taken once daily to relieve seasonal and perennial allergic rhinitis, as well as chronic hives. It comes as a tablet, a fast-dissolving RediTab, or an oral solution, giving flexible dosing across age groups.

Patanase vs. Clarinex Side Effects

Patanase

Most common
bitter taste (up to 12.8%)
headache (up to 4.4%)
epistaxis (up to 3.2%)
pharyngolaryngeal pain (up to 2.2%)

Clarinex

Most common
pharyngitis (up to 4.1%)
dry mouth (up to 3.0%)
myalgia (up to 2.1%)
fatigue (up to 2.1%)

Patanase vs. Clarinex Dosage

Patanase

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 1 spray/nostril twice/day At the start
Maximum dose 2 sprays/nostril twice/day If needed
Dose changes 1 increase As tolerated

Clarinex

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 1 mg once daily At the start
Maximum dose 5 mg once daily If needed
Dose changes 3 increases As tolerated

Patanase vs. Clarinex Indications

Patanase

Patanase is FDA-approved to relieve seasonal allergic rhinitis symptoms like sneezing, itching, and congestion in people 6 and older. It is not approved for perennial (year-round) allergies in children under 12 or for use in children under 6.

  • Seasonal allergic rhinitis, ages 6 and older

  • Not approved for perennial allergic rhinitis under age 12

  • Not approved for children under 6

  • Twice-daily nasal spray delivery

Clarinex

Clarinex is FDA-approved for both seasonal and perennial allergic rhinitis, covering nasal and non-nasal symptoms starting as young as 6 months for perennial use. It's also approved to relieve itching and hives from chronic idiopathic urticaria in patients 6 months and older.

  • Seasonal allergic rhinitis, ages 2 and older

  • Perennial allergic rhinitis, ages 6 months and older

  • Chronic idiopathic urticaria (hives), ages 6 months and older

  • Once-daily oral dosing in multiple formulations

Patanase vs. Clarinex Pros and Cons

Patanase

Patanase acts directly on nasal tissue, which may bring faster relief for congestion and sneezing, but it requires priming a spray pump and carries nasal-specific warnings. It's approved for a narrower set of conditions than Clarinex.

Pros

  • Delivers antihistamine directly to nasal tissue

  • Approved for children as young as 6

  • Fast local action on nasal symptoms

Cons

  • Requires priming the spray pump before use

  • Carries warnings for nosebleeds and nasal irritation

  • Not approved for perennial rhinitis under age 12

Clarinex

Clarinex works systemically as a simple once-daily pill and covers a broader range of allergic conditions, including hives, but it doesn't act locally on nasal tissue the way a nasal spray does. Its multiple formulations make dosing easier across pediatric age groups.

Pros

  • Simple once-daily oral dosing

  • Treats nasal and non-nasal allergy symptoms plus hives

  • Approved for chronic idiopathic urticaria

Cons

  • Works systemically rather than acting directly on nasal tissue

  • No direct decongestant action on nasal passages

  • Requires a combination product (Clarinex-D) for congestion relief

Common Symptoms and Related Diseases You Can Explore

Explore a range of common symptoms the Doctronic Symptom Checker can help you understand.