Cetirizine medicine : Indication, Dosage, Side-effect

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In this blog, we learn about Cetirizine medicine which is sold under brand name of  piriteze, zirtek, zyrtec, alerid, etc. Cetirizine is antihistaminic medicine which use to treat any kind of allergy, running nose, etc.

cetirizine medicine
structure of cetirizine

Cetirizine was approved for medical use in the U.S.A. in 2007. It is available as a generic medication.

We learn this medicine in below format

INDICATION OF CETIRIZINE

cetirizine in cold
running nose
urticaria
skin allergy

Cetirizine is useful in below conditions

  • Running nose, watering from eye
  • Any kind of allergy
  • Skin rashes, urticaria

 

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MECHANISM OF ACTION

Cetirizine medicine is antihistaminic which decreases the activity at histamine H1 receptors.

This way it prevent release of other allergy chemicals & increases blood supply to that area. So, patient will get relief from their complain.

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DOSAGE OF CETIRIZINE

Adult
10mg once in day in evening
5mg twice in a day

Children (2 to 6 years)
5mg once in a day in evening
2.5mg twice in a day

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Contraindication 

There is no known contraindication. It should be avoid to those who have hypersensitivity to cetirizine hydroxyzine.

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ONSET OF EFFECT

Cetirizine effect starts within 1-2 hours & effect last for 16 to 24 hours. It means that once you take in evening, effect last for next day evening.

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SIDE-EFFECT OF CETIRIZINE

Each & every molecule which have effect, it has also side-effect. We can not deny adverse effect or side-effect. But it is not happen to everybody, it only occurs to someone who have sensitivity to particular molecule.

If patient have known sensitivity to any medicine, than they should show it to your consulting doctor.

If adverse effect occurs than it may be one of below

  • Sleepiness, drowsiness, sedation, confusion
  • Nausea, vomiting, diarrhoea
  • Epigasttic pain
  • Fatigue
  • Dry mouth
  • Hyperpyrexia

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SPECIAL PRECAUTIONS

  • Once you take this medicine, it may be cause sleepiness, drowsiness or confusion. So, one should not drive the vehicle or after taking this medicine. Also not to operate heavy machinery or take all care that if he becomes drowsy than there is no harm to him.
  • Use with care in patient who have  liver & kidney problem

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BRAND NAMES & STRENTH

Brand names

This medicine is available in market with brand name like piriteze, zirtek, zyrtec, alerid, etc.

Strenth

This medicine is available in tablet form in below strenth
5mg tablet
10mg tablet
5mg per 5ml syrup

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