Zyrtec

 
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Without a Prescription

Zyrtec may cause drowsiness. Be especially careful driving or operating dangerous machinery or participating in any hazardous activity that requires full mental alertness until you know how you react to this medication.
Zyrtec is an antihistamine.
Zyrtec relieves the symptoms of year-round allergies due to dust, mold, and animal dander.
This medication is prescribed in the treatment of chronic itchy skin and hives.
It is prescribed to treat the sneezing itchy, runny nose and itchy, red, watery eyes caused by seasonal allergies such as hay fever.

Side Effects

Zyrtec side effects that you should report to your health care professional or doctor as soon as possible:

More common side effects in adults may include:
- Dry mouth;
- Drowsiness;
- Fatigue;

Less common side effects in adults may include:
- Sore throat;
- Dizziness;

More common side effects in children aged 6 to 11 may include:
- Wheezing;
- Sore throat;
- Sleepiness;
- Nosebleed;
- Headache;
- Diarrhea;
- Coughing;
- Abdominal pain;

Less common side effects in children aged 6 to 11 may include:
- Vomiting;
- Nausea;

Contraindications

Zyrtec is contraindicated if you have any of the following conditions:
- If it causes a reaction;
- If you have ever had a reaction to the similar drug atarax;
- If you have kidney or liver disease;

Interactions

Do not take Zyrtec with any of the following drugs:
- Sleeping pills such as halcion, restoril, and ambien;
- Sedatives such as nembutal, seconal, and phenobarbital;
- Pain-relieving narcotics such as codeine, demerol, and percocet;
- Muscle relaxants such as valium and soma;
- High doses of theophylline (theo-dur);
- Antidepressants such as tofranil, elavil, ludiomil, and anafranil;

Dosage

ADULTS AND CHILDREN 12 YEARS AND OLDER

If you have a kidney or liver condition, the doctor will probably prescribe 5 milligrams daily.
The usual starting dose is 5 or 10 milligrams once a day, depending on the severity of your symptoms.

CHILDREN 6 TO 11 YEARS

If your child has a kidney or liver condition, the doctor will probably prescribe the lower dose.
The usual starting dose is 5 or 10 milligrams (1 or 2 teaspoonfuls of syrup) once a day.


CHILDREN 6 TO 23 MONTHS

The usual starting dose is 2.5 milligrams (one-half teaspoonful) once a day.
Zyrtec should not be prescribed if your child has kidney or liver problems.
In children 12 to 23 months old, the dose can be increased to a maximum of 5 milligrams a day, given as 2.5 milligrams (one-half teaspoonful) every 12 hours.

CHILDREN 2 TO 5 YEARS

The usual starting dose is 2.5 milligrams (one-half teaspoonful) once a day.
If the child has a kidney or liver condition, Zyrtec should not be given.
Dosage may be increased to a maximum of 5 milligrams (1 teaspoonful) once daily or 2.5 milligrams (one-half teaspoonful) every 12 hours.

Overdose

Any medication taken in excess can have serious consequences.
If you suspect an overdose, seek medical treatment immediately.
In adults, the primary symptom of a Zyrtec overdose is extreme sleepiness.
In children, restlessness and irritability may precede drowsiness.
Without Prescription (2017)