This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
Brand Names: US
All Day Allergy Childrens [OTC] [DSC]; All Day Allergy [OTC] [DSC]; Allergy (Cetirizine) [OTC]; Allergy Relief (Cetirizine) [OTC]; Allergy Relief Cetirizine [OTC]; Allergy Relief Childrens [OTC]; Allergy Relief [OTC]; Allergy Relief/Indoor/Outdoor [OTC]; Cetirizine HCl Allergy Child [OTC]; Cetirizine HCl Childrens Alrgy [OTC]; Cetirizine HCl Childrens [OTC] [DSC]; GoodSense All Day Allergy [OTC]; Quzyttir; ZyrTEC Allergy Childrens [OTC]; ZyrTEC Allergy [OTC]; ZyrTEC Childrens Allergy [OTC]; ZyrTEC [OTC]
Brand Names: Canada
AG-Cetirizine; APO-Cetirizine; JAMP-Cetirizine; M-Cetirizine; Mar-Cetirizine; MINT-Cetirizine; NRA-Cetirizine; PMS-Cetirizine; Priva-Cetirizine [DSC]; Reactine; TEVA Cetirizine
What is this drug used for?
- It is used to ease allergy signs.
- It is used to treat hives.
What do I need to tell my doctor BEFORE I take this drug?
- If you are allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
This drug may interact with other drugs or health problems.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take this drug?
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
- This drug may affect certain lab tests. Tell all of your health care providers and lab workers that you take this drug.
- Avoid drinking alcohol while taking this drug.
- Talk with your doctor before you use marijuana, other forms of cannabis, or prescription or OTC drugs that may slow your actions.
- If you are 65 or older, use this drug with care. You could have more side effects.
- Some forms of this drug may not be for use in all ages of children. If you have questions, talk with the doctor.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
What are some other side effects of this drug?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
For all patients taking this drug:
- Feeling sleepy.
- Feeling tired or weak.
- Dry mouth.
- Trouble sleeping.
- Stomach pain.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
How is this drug best taken?
Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.
All oral products:
- Take with or without food. Take with food if it causes an upset stomach.
- Chew or crush well. Do not swallow it whole.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- Do not push the tablet out of the foil when opening. Use dry hands to take it from the foil. Place on your tongue and let it dissolve. Water is not needed. Do not swallow it whole. Do not chew, break, or crush it.
- Use right away after this drug is removed from the foil. Do not store any part of the tablet for use at a later time.
- It is given into a vein for a period of time.
What do I do if I miss a dose?
All oral products:
- If you take this drug on a regular basis, take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Many times this drug is taken on an as needed basis. Do not take more often than told by the doctor.
- Call your doctor to find out what to do.
How do I store and/or throw out this drug?
All oral products:
- Store at room temperature in a dry place. Do not store in a bathroom.
- If you need to store this drug at home, talk with your doctor, nurse, or pharmacist about how to store it.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
General drug facts
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
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