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Cetirizine

Cetirizine

Information about Cetirizine drug, how to use, dosage and side effects:

Cetirizine belongs to the group of antihistamines – derivatives of piperazine. His mechanism of action is binding of the histamine receptor (H1- receptor) and prevents the action of histamine. Cetirizine is used for preventing and treating the symptoms of seasonal and  allergic disease of nasal mucosa (allergic rhinitis), urticaria and other allergic diseases.

Indications

  • Seasonal  allergic rhinitis (ragweed, grass and tree pollens)
  • Perennial allergic rhinitis (dust mites, animal dender and molds)
  • Chronic urticaria

Do not take cetirizine

  • If you are allergic (hypersensitive);
  • in the case of self-medication with cetirizine do not exceed the recommended dose.
  • If while you taking this medication shows some side effects such as: temperature, wheezing, shortness of breath,  cough and purulant discharge from the nose or eyes, choking,  swelling of the lips, tongue  you should visit your doctor.

Interactions (The usage of other medicines)

Tell your doctor or pharmacist if you are taking or have recently taken any other medicines, even if it was purchased without a prescription. So far there is no known interactions with other drugs . During treatment with cetirizine do not take the alcohol, because  alcohol can increase the concentration of cetirizine. Consult your doctor or pharmacist before taking any medicine.

Taking this drug during the pregnancy

Do not use this drug during the pregnancy. Cetirizine belongs to the category B for safety of drug use during pregnancy by the FDA. In  expirements on animals, cetirizine was not teratogenic. Beacuse animal studies are not always predictive of human response, cetirizine should be used in pregnancy only if clearly needed. Cetirizine is not recommended for use during breastfeeding, because it is excreted in milk.

The effect of this drug on the management of motor vehicles and machinery operation

During the use of cetirizine you may not operate a motor vehicle because cetirizine may cause sedation and therefore can slow reaction/reflexes of the body.

Drug use

Self-treatment  with cetirizine  is suitable for adults and children over 6 years. The usual daily dose for adults and children aged 6 years and older is 10 mg cetirizine a day.

Adults: 10 mg once daily.

Children from 6 to 12 years: 5 mg twice daily or 10 mg once a day.

For patients with moderately impaired renal function, the daily dose should be halved. Tablets should be taken in the morning (or a night) before or after meals. Swallow the tablet whole with liquid. Self-treatment can last up to 10 days. If you want to take medicine for a long time, it is necessary to visit your doctor.

If you forget to take cetirizine

Do not take a double dose to make up for the dose you forgot. The recommended dose is 10 mg, once daily, at approximately the same time. If you forget to take the pill during the scheduled time, take it as soon as possible.

Side  effects

More than 2%:

  • Headache
  • dizziness
  • somnolence
  • fatigue
  • dry mouth
  • pharyngitis
  • abdominal  pain
  • coughing
  • diarrhea
  • nausea
  • vomiting

Less than 2%:

  • Hypertension
  • tachycardia
  • ataxia
  • migraine
  • dehydration
  • arthralgia
  • arthtritis
  • myalgia
  • muscle weakness
  • dysmenorrhea
  • female breast pain
  • vaginitis
  • parosmia
  • taste loss
  • conjuctivitis
  • eye pain
  • glaukoma
  • tremor
  • vertigo
  • paresthesia

Contraindications

Cetirizine is contraindicated in those patients with a known hypersensitivity to it.

If you notice any of the side effects, please tell your doctor or pharmacist!

For more information about drug Cetirizine visit Wikipedia: http://en.wikipedia.org/wiki/Cetirizine

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