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    You are here: Home > Pharmacy > C > Cetirizine
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    Drug Information
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    What is Cetirizine used for?

    Cetirizine is an antihistamine medication prescribed to provide relief from allergic symptoms such as sneezing, runny nose, itchy throat, and red eyes. Besides, it is also prescribed for treating hives. This drug works by blocking the effects of histamine that causes allergy symptoms. This medicine may also be used to treat other conditions as determined by your doctor.

    What is the recommended dosage of Cetirizine?

    The dosage of Cetirizine prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

    Cetirizine may be taken with or without food.

    What if you miss a dose of Cetirizine?

    If your physician has instructed or directed you to take Cetirizine medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

    What if you overdose on Cetirizine?

    Any medication taken in excess can have serious consequences. If you suspect an overdose of Cetirizine, seek medical attention immediately. Some of the overdose symptoms of this drug are dizziness and restlessness.

    What other drugs could interact with Cetirizine?

    • Theophylline

    It may be noted that drugs other than those listed above may also interact with Cetirizine.

    Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Cetirizine, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

    Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

    What are the side effects of Cetirizine?

    Like other medicines, Cetirizine can cause some side effects. If they do occur, the side effects of Cetirizine are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

    It is pertinent to note that side effects of Cetirizine cannot be anticipated. If any side effects of Cetirizine develop or change in intensity, the doctor should be informed as soon as possible.

    Cetirizine can cause side effects such as cough, tiredness, nausea, vomiting, dizziness, headache, constipation, and diarrhea. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Cetirizine.

    What are the questions to ask your doctor before taking Cetirizine?

    Is it possible for me to take Cetirizine with other drugs?
    Should certain beverages, foods and other products be avoided when I take Cetirizine?
    What are the possible drug interactions of Cetirizine?
    How will Cetirizine work in my body?
    How should Cetirizine be taken?
    How to reduce the risk of Cetirizine drug interactions and side effects?


    The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Cetirizine is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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    Ask or Reply Questions
    Posted By... IDMRx User | 2012-12-07
    Is the citirizine sold on your web site citirizine hcl? Reply
    Replied by Pharmacist @ IDM
    Hi, Yes! that's right, our product is Cetirizine hcl only.
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