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Clarinex Oral

Generic Name: DESLORATADINE DISPERSIBLE TABLET - ORAL
Pronounced: (des-lor-AT-uh-deen)

Clarinex Oral Side Effects

Throat discomfort, muscle pain, nausea, indigestion, loss of appetite, diarrhea, dizziness, fatigue, trouble sleeping, nosebleeds, or dry mouth may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Desloratadine does not usually cause drowsiness when used at recommended doses and under normal circumstances. However, be sure of the drug's effects before engaging in activities that require alertness such as driving or using machinery.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if this unlikely but serious side effect occurs: rapid or pounding heartbeat.

Tell your doctor immediately if any of these rare but very serious side effects occurs:

  • dark urine
  • yellowing eyes or skin


A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Clarinex Oral Precautions

Before taking desloratadine, tell your doctor or pharmacist if you are allergic to it; or to loratadine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

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