Zyrtec-D
Overview
- About 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
Return to topAvoid 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
Return to topIf 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
Return to topADULTS
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
Return to topAn overdose of Zyrtec-D can have serious consequences. If you suspect an overdose, seek medical care immediately.
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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






