Zyrtec Application
Therapeutic action:
Zyrtec or Cetirizine HCl is in a group of drugs called antihistamines. The main effect of Zyrtec is blocking the action of a chemical called Histamine in the body of the patient. Through that the needed effect (lowering of allergy symptoms) is acquired. Zyrtec is a metabolite of hydroxyzine that is why the effects manifested by cetirizine, hydroxyzine are similar. Zyrtec does not pass the blood-brain barrier efficiently by that the decrease in sedating effect that is typical for all antihistamines is reached.
Indication:
Zyrtec is prescribed in treatment of:
- Seasonal allergic rhinitis(Hay fever) is described by a seasonal occurrence caused by outdoor allergens it looks like a cold except for the fact that it occurs at a certain period.
- Perennial allergic rhinitis is an allergic reaction to indoor allergens like fur, dust particles and etc.
Both of the above mentioned illnesses have similar symptoms: nasal congestion, sneezing, nasal drip, dry cough, headaches and etc.
Chronic Urticaria - a persistent long-term illness that is manifested by a rash that persists for at least 6 weeks. It is caused by certain amounts of fluid that exudes from the blood vessels right under the skin surface.
Contradictions and Cautions:
If you have any of the following conditions consult your doctor before using Zyrtec:
- Hypersensitivity to the components of the preparation especially to citirizine HCl
- Chronic renal impairment
- Lactation period
- Pregnancy
- If you are giving the medicine to your child and he is younger than 2 years
- Old age
You may need a dosage adjustment if the conditions describe you.
Zyrtec Side-effects:
After significant clinical studies it was found that only 2% of the full testing group suffered from mild side-effects. If any of the Zyrtec side-effects are stated here it does not mean that you will experience it. The most common zyrtec side effects reported for Cetirizine are some of the following:
- Somnolence
- Fatigue
- Dry Mouth
- Dizziness
- Diarrhea
- Vomiting
- Headache
Some of the less common but more serious zyrtec side-effects include:
- Throat pain
- Irregular heartbeat
- Vision irregularities
- Hyperactivity
- Pharyngitis
- swelling and difficulty breathing
If any of this manifest be sure to consult your doctor immediately. If anything unusual occurs while the treatment takes place also report it to your doctor.
Interactions:
Zyrtec is a type of OTC medicine and you can easily acquire it in any pharmacy store if it is available, but before starting treatment you should consult your local doctor on possible interactions with the medicine and vitamins you are already taking or will be taking. There were no significant interactions found during clinical trials, but it is known that Zyrtec may interact with teophilin with a result of decreased clearance for Cetirizine.