Claritin vs. Nasacort

See how Claritin and Nasacort compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Claritin is an oral antihistamine that treats sneezing, itching, and hives throughout the body, while Nasacort is a nasal spray steroid aimed mainly at nasal congestion and stuffiness.

  • Nasacort tends to work better for nasal congestion specifically, while Claritin also covers itchy eyes, throat symptoms, and chronic hives that a nasal spray cannot reach.

  • Both are available over the counter and are taken once daily, but Nasacort can take several days to reach full effect while Claritin often works within hours.

Claritin vs. Nasacort Drug Summary

Claritin

Claritin is a second-generation oral antihistamine used for seasonal and perennial allergic rhinitis and for chronic hives. It is taken once a day as a tablet, dissolving tablet, chewable, or syrup and causes little to no drowsiness for most people.

Nasacort

Nasacort is a nasal corticosteroid spray used for the nasal symptoms of seasonal and perennial allergic rhinitis. It is sprayed into each nostril once daily and works locally in the nasal tissue to reduce inflammation.

Claritin vs. Nasacort Side Effects

Claritin

Most common
Headache (up to 12%)
Somnolence (up to 8%)
Fatigue (up to 4%)
Dry mouth (up to 3%)

Nasacort

Most common
Headache (1% to 10%)
Pharyngitis (1% to 10%)
Epistaxis (1% to 10%)
Flu syndrome (1% to 10%)

Claritin vs. Nasacort Dosage

Claritin

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 5 mg once daily At the start
Maximum dose 10 mg once daily If needed
Dose changes 1 increase As tolerated

Nasacort

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 220 mcg once daily At the start
Maximum dose 110 mcg once daily If needed
Dose changes 1 increase As tolerated

Claritin vs. Nasacort Indications

Claritin

Claritin is FDA-approved for the temporary relief of seasonal and perennial allergic rhinitis, including sneezing, runny nose, and itchy or watery eyes. It is also approved for chronic idiopathic urticaria, a form of long-term hives with no known cause.

  • Seasonal allergic rhinitis (sneezing, runny nose)

  • Perennial (year-round) allergic rhinitis

  • Itchy, watery eyes and itchy throat or nose

  • Chronic idiopathic urticaria (hives) and itching

Nasacort

Nasacort is FDA-approved for the nasal symptoms of seasonal and perennial allergic rhinitis, such as congestion, sneezing, and runny nose. It works directly in the nasal passages and is not approved for eye symptoms or hives.

  • Seasonal allergic rhinitis nasal symptoms

  • Perennial allergic rhinitis nasal symptoms

  • Nasal congestion and stuffiness

  • Sneezing and runny nose from allergies

Claritin vs. Nasacort Pros and Cons

Claritin

Claritin offers whole-body relief from allergy symptoms and is the only one of the two approved for chronic hives. It causes little sedation for most users but tends to be less effective than a nasal steroid when congestion is the main complaint.

Pros

  • Also approved for chronic hives and itching, not just allergies

  • Relieves itchy eyes and throat that a nasal spray cannot reach

  • Available as tablet, dissolving tablet, chewable, or syrup

  • Often noticeably works within a few hours

Cons

  • Generally less effective for nasal congestion than a steroid spray

  • Some people still experience drowsiness or fatigue

  • Does not treat local nasal inflammation directly

  • Not approved for common cold symptoms or asthma

Nasacort

Nasacort targets nasal inflammation directly, which often makes it more effective for stuffiness than an oral antihistamine. Because it works locally, systemic side effects are less common, though it needs to be used consistently for several days to reach full effect.

Pros

  • Often more effective than antihistamines for nasal congestion

  • Acts locally in the nose, limiting systemic side effects

  • Available in a lower maintenance dose once symptoms improve

  • First OTC nasal steroid spray with long track record of use

Cons

  • Can take several days of regular use for full effect

  • May cause nosebleeds or nasal irritation

  • Not approved for hives or itching outside the nose

  • Not approved for children under 2 years of age

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