Prescription onlyLower-cost generic availableClass: Respiratory

Clarinex

(Desloratadine)

Prescription onlyLower-cost generic availableClass: Respiratory
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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.

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Upsides

  • 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.

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.
How it works

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

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Side effect rates for Clarinex (Desloratadine)

0From clinical trials of Clarinex / Allergies (1 mg)
  • Ear, nose, or throat infection
  • Diarrhea
  • Fever
  • Irritability
  • Coughing
  • Drowsiness
  • Bronchitis
  • Middle ear inflammation
  • Vomiting
  • Loss of appetite

Common concerns from people taking Clarinex (Desloratadine)

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Pregnancy
Sleep
  • 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).
  • Can give you a headache or diarrhea, but it rarely causes drowsiness or dizziness.