Allegra vs. Claritin

Reviewed on 10/22/2019

Are Allegra and Claritin the Same Thing?

Allegra (fexofenadine hydrochloride) and Claritin (loratadine) are antihistamines used to treat allergic symptoms of seasonal allergic rhinitis (sneezing, runny nose, itchy or watery eyes), hives, and allergic skin rashes.

Allegra and Claritin are available over-the-counter (OTC) and as generics.

Side effects of Allegra and Claritin that are similar include diarrhea, sleepiness, drowsiness, fatigue/tiredness, and headache.

Side effects of Allegra that are different from Claritin include nausea, upset stomach, muscle or back discomfort or pain, and menstrual cramps.

Side effects of Claritin that are different from Allegra include nervousness, stomach pain, dry mouth, sore throat, hoarseness, eye redness, blurred vision, nosebleed, and skin rash.

Both Allegra and Claritin may interact with certain antibiotics and antifungal medications.

Allegra may also interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicines, sleeping pills, muscle relaxers, and medicines for seizures, depression, or anxiety).

Claritin may also interact with acid-reducing drugs.

What Are Possible Side Effects of Allegra?

Common side effects of Allegra include:

  • nausea,
  • diarrhea,
  • upset stomach,
  • muscle or back discomfort or pain,
  • sleepiness,
  • drowsiness,
  • tiredness,
  • headache, and
  • menstrual cramps.

Contact your doctor if you have serious but less common side effects of Allegra including:

Allegra is available as a generic drug.

What Are Possible Side Effects of Claritin?

Common side effects of Claritin include:

  • headache,
  • sleepiness,
  • feeling tired,
  • drowsiness,
  • fatigue,
  • nervousness,
  • stomach pain,
  • diarrhea,
  • dry mouth,
  • sore throat,
  • hoarseness,
  • eye redness,
  • blurred vision,
  • nosebleed, or
  • skin rash.

Tell your doctor if you experience serious side effects of Claritin including fast or uneven heart rate, feeling like you might pass out, jaundice (yellowing of your skin or eyes), or seizures (convulsions).

What Is Allegra?

Allegra (fexofenadine hydrochloride) is an antihistamine used to treat allergic symptoms of seasonal allergic rhinitis.

What Is Claritin?

Claritin (loratadine) is an antihistamine used to treat allergy symptoms. Claritin blocks the action of histamine, a substance in the body that initiates allergic symptoms like itching, sneezing, runny nose, and allergic skin rashes.

QUESTION

Allergies can best be described as: See Answer

What Drugs Interact With Allegra?

Allegra may interact with:

Allegra may also interact with other medicines that make you sleepy such as:

  • cold or allergy medicine,
  • sedatives,
  • narcotic pain medicine,
  • sleeping pills,
  • muscle relaxers, and
  • medicine for seizures, depression, or anxiety

What Drugs Interact With Claritin?

Drug interactions may occur with certain antibiotics, antifungal medications, and acid-reducing drugs. Warnings may apply to individuals who have asthma, kidney disease, or liver disease. People who have phenylketonuria (PKU) should avoid certain brands of orally disintegrating tablets that may contain aspartame. Claritin is generally avoided during pregnancy and nursing. Pregnant women may take Claritin only if it is clearly needed. Nursing mothers should consult their doctor before breastfeeding. Claritin should not be used in children younger than 6 years of age unless directed by a doctor. Chewable tablets should not be used in children younger than 2 years of age unless directed by a pediatric doctor.

How Should Allegra Be Taken?

Allegra is available in several strengths and forms; as tablets in strengths of 30, 60 and 180 mg, as 30 mg fast orally disintegrating tablets (available in foil blister packs and labeled "ODT"; the drug should not be touched by skin as it may begin to dissolve and reduce the oral dose) and as an oral suspension of 30mg per 5 ml.

How Should Claritin Be Taken?

Claritin is available as a 10 mg tablet, a 5 or 10 mg rapidly-disintegrating tablet, a 10 mg chewable tablet, and a syrup (5 mg per 5 ml). Claritin is taken once a day.

SLIDESHOW

Could I Be Allergic? Discover Your Allergy Triggers See Slideshow
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References
Sanofi-aventis Drug Information.

https://www.allegra.com/

Bayer. Claritin Product Information.

www.claritin.com/?

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