Zyrtec-D

Zyrtec-D makes some people sleepy. Exercise caution when driving a car or operating potentially dangerous machinery after taking this drug.

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 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 reserpine
• Digitalis
• Drugs that tend to raise blood pressure
• High doses of theophylline

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 for Zyrtec-D

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