Clarinex

(desloratadine)

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Treats allergy symptoms.

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Our bottom line

Clarinex (desloratadine) is a good option for once-daily allergy relief. It doesn't make you feel sleepy, but you need a prescription.

Quick facts about Clarinex
  • Drug class: Respiratory
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (desloratadine)
Prices and discounts
Lowest price for 30 5mg tablets
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$18.14

Upsides

  • Clarinex (desloratadine) relieves allergy symptoms like sneezing, runny nose, congestion, hives, or itchy skin.
  • Preferred for older people since it causes little to no drowsiness compared to other antihistamines like diphenhydramine (Benadryl).
  • Works faster than other non-drowsy antihistamines like loratadine (Claritin).
  • Side effects are rare and usually mild.
  • Available as a liquid or fast-dissolving tablet for people who don't like swallowing pills.

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What to expect from Clarinex, on one page

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Downsides

  • May not work as fast as the other antihistamines that make you sleepy (like Benadryl).
  • Not a good medication for pregnant women to take.

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Get our free fact sheet

What to expect from Clarinex, on one page

Download Fact Sheet
Prices and discounts
Lowest price for 30 5mg tablets
Determining your location...
$18.14
How it works

Clarinex (desloratadine) is an antihistamine. It blocks histamine, a chemical that causes congestion, itching, and other allergic reactions.

Quick facts about Clarinex
  • Drug class: Respiratory
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (desloratadine)

Dosage forms

  • Pill
  • Dissolving tablet
  • Liquid
Tried Clarinex? Write a review!

What to expect when you take Clarinex (desloratadine) for Allergies

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Side effect rates for Clarinex (desloratadine)

  • Upper respiratory tract infections
  • Diarrhea
  • Fever
  • Irritability
  • Coughing
  • Sleepiness
  • Inflammation of airways
  • Ear infection
  • Vomiting
  • Decreased appetite

Risks and Warnings for Clarinex (desloratadine)

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  • In some rare cases, there have been reports of rash, itching, hives, sweling, shortness of breath, and swelling in the face and throat with Clarinex (desloratadine). Go to the emergency room right away or call your doctor if this happens.

Common concerns from people taking Clarinex (desloratadine)

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Food
  • Take it once a day with or without food or as directed by your doctor.
Sleep
  • In some rare cases, causes drowsiness, dizziness, sore throat, or muscle pain.
  • Preferred for older people since it causes little to no drowsiness compared to other antihistamines like diphenhydramine (Benadryl).
  • Works faster than other non-drowsy antihistamines like loratadine (Claritin).