Zyrtec-D

This drug is not recommended for children under 12 years of age.

Possible food and drug interactions when taking Zyrtec-D

Avoid Zyrtec-D if you've taken an MAO inhibitor such as Nardil or Parnate anytime within the preceding 14 days. Also avoid combining Zyrtec-D with alcohol, antidepressants, muscle relaxants, tranquilizers, sedatives, sleeping pills, or pain-relieving narcotics; they increase the likelihood of drowsiness.

If Zyrtec-D is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Zyrtec-D with the following:

Certain drugs used to treat high blood pressure, including Aldomet, Inversine, and reserpine
Digitalis
Drugs that tend to raise blood pressure
High doses of theophylline (Theo-Dur)

Special information if you are pregnant or breastfeeding

If you are pregnant or plan to become pregnant, check with your doctor before taking Zyrtec-D. The possibility of harm to the developing baby has not be ruled out.

Both of the active agents in Zyrtec-D make their way into human breast milk. It is not recommended for nursing mothers.

Recommended dosage

ADULTS

The recommended dose for adults and children 12 years of age and older is 1 tablet twice daily. If you have kidney or liver problems, your doctor may recommend only 1 dose per day.

Overdosage

An overdose of Zyrtec-D can have serious consequences. If you suspect an overdose, seek medical care immediately.

• Symptoms of Zyrtec-D overdose may include:
  Chest pain, coma, convulsions, delusions, drowsiness, giddiness, hallucinations, headache, insomnia, irregular heartbeat, irritability, muscle weakness, nausea, palpitations, respiratory failure, restlessness, sweating, thirst, urination problems, vomiting