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Last updated on November 22nd, 2021

Clarinex is an oral drug applies in cases of persistent allergy symptoms caused by undefined exciter. The drug can be taken by adults and children older than 6 months for treating permanent allergy hives and by adults and children over 2 years for fighting seasonal allergy symptoms.

Trade Mark Name: Clarinex
Pharmacological Name: Desloratadine

Drug Uses:

Clarinex is applied in cases of persistent seasonal or around-the-year allergy symptoms like nasal congestion or runny nose, oozing, itching, sore throat, dryness in mouth and other allergic conditions in both grown-ups and children older than 6 months. The drug requires prescription and may be used for other purposes not stated above if otherwise advised by your doctor or other health care specialist.

How Taken:

Clarinex is intended for the usage determined by your doctor. The drug is taken orally before or after a meal. Do not help yourself swallowing the tablet by chewing or crashing it in the mouth. To achieve optimal results do not break your dosing schedule if you notice improvement in your state. Take Clarinex about the same time daily to minimize the risks of missing doses.

The information provided in this resource is not complete. Please, consult your doctor or any other health care specialist should you have some questions concerning Clarinex.

Drug Class and Mechanism:

Clarinex works by suppressing histamine level in the blood thus lowering allergic condition symptoms.

Missed Dose

If you have forgotten to take Clarinex according to your dosing schedule, do this as soon as you remember to. If it is nearly time for you to take our next dose of Clarinex, take one dose without catching up with the schedule by taking 2 doses simultaneously.



Clarinex is to be stored at the temperature ranging between 59 and 77 degrees F which corresponds to 15 and 25 degrees C. Keep the drug in a cool dry place out of the reach of children and domestic animals.


Clarinex is not intended for the use of those who have ever displayed allergic reactions to any of its components. Seek attention of your health provider if this is your case.


  • Do not drive or perform other possibly unsafe tasks until you know how you react to it.
  • Clarinex should not be used in children younger than 12 years old; safety and effectiveness in these children have not been confirm.
  • Pregnancy and breast-feeding: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Clarinex while you are pregnant. Clarinex is found in breast milk. Do not breast-feed while taking Clarinex.

Possible Side Effects

Keep in mind that taking Clarinex may lead to the following adverse side effects:

  • Headache;
  • Tiredness, drowsiness;
  • Diarrhea;
  • Pain in muscles;
  • Nausea;
  • Painful menstruations;
  • Fatigue;
  • Quinsy, sore throat.

Wait for the side effect to pass for some hours. However, if the adverse state does not go away, seek immediate attention of your doctor or other medical assistance.

You should contact your doctor at once if you notice one of these symptoms:

  • Bothersome or alarming allergic reactions like itching, hives, rash, pain in chest and difficulties in breathing, swelling of the tongue, lips, or mouth; changes in the color of skin, eyes, stool or urine, irregularities in heartbeat, stomach ache.

More Information:

Clarinex is not intended for the use of people for whom it has not been prescribed.

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