Compare Clarinex vs. Claritin

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Clarinex (desloratadine)

Prescription only

Claritin (loratadine)

Prescription or OTC
Treats allergy symptoms.

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

Treats allergies.

Claritin (loratadine) is a once-daily medicine for allergies that won't make you as sleepy as other medicines that work like it.

3.7/ 5 average rating with 1517 reviewsforClaritin
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.
  • It doesn't cause daytime drowsiness unlike other antihistamines.
  • Side-effects are mild, if any at all.
  • Available over-the-counter without a prescription.
  • It provides quick relief of allergy symptoms for both children and adults.
  • It doesn't interfere with how a lot of other medicines work.
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.
  • It's not the best choice if you have persistent, daily allergy symptoms.
  • It's not recommended for children less than 2 years old.
Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Liquid
  • Pill
  • Chewable tablet
  • Dissolving tablet
  • Liquid
Price
No pricing information available
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Reviews
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1517 reviews so far
74%
saidit'sworth it
38%
saiditworked well
6%
saidit'sa big hassle

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Side effects
15possible side effects
  • Upper respiratory tract infections
    21%
  • Diarrhea
    20%
  • Fever
    12%
  • Irritability
    12%
  • Coughing
    11%
  • Sleepiness
    9%
  • Inflammation of airways
    6%
  • Ear infection
    6%
  • Vomiting
    6%
  • Decreased appetite
    5%
  • Throat inflammation
    5%
  • Inability to sleep
    5%
  • Runny nose
    5%
  • Redness and swelling
    3%
  • Nausea
    3%
See more detailed side effects
19possible side effects
  • Headache
    12%
  • Drowsiness
    8%
  • Nervousness or anxiety
    4%
  • Wheezing
    4%
  • Tiredness
    4%
  • Rash
    3%
  • Diarrhea
    3%
  • Mouth or tongue irritation
    3%
  • Dry mouth
    3%
  • Hyperactive behavior
    3%
  • Ear pain
    3%
  • Bloody nose
    3%
  • Sore throat
    3%
  • Flu-like symptoms
    3%
  • Abdominal pain
    2%
  • Pink eye
    2%
  • Lung infections
    2%
  • Difficulty speaking
    2%
  • Feeling uneasy or uncomfortable
    2%
See more detailed side effects
Risks and risk factors
  • Serious allergic reactions
See more detailed risks and warnings
  • Difficulty concentrating
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • Excess phenylalanine
    • History of phenylketonuria (PKU)
See more detailed risks and warnings