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Table of Contents > Drug > Loratadine Print



Related terms
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    Related terms
    • U.S. Brand Names: Alavert® Allergy 24 Hour [OTC];Alavert® Children's Allergy [OTC];Claritin® 24 Hour Allergy [OTC];Claritin® Children's Allergy [OTC];Claritin® Liqui-Gels® 24 Hour Allergy [OTC];Claritin® RediTabs® 24 Hour Allergy [OTC];Loradamed [OTC];Tavist® ND Allergy [OTC]
    • Canadian Brand Names: Apo-Loratadine®;Claritin®;Claritin® Kids
    • Mexican Brand Names: Albatrina;Clarityne;Curyken;Dimegan;Dymaten;Efectine;Inigrin;Laritol;Lertamine;Lorimox;Lotan;Neoalexil;Sensibit;Vincidal
    • Pharmacologic Category: Histamine H1 Antagonist;Histamine H1 Antagonist, Second Generation;Piperidine Derivative

    • It is used to relieve allergy symptoms.
    • It is used to treat hives.
    • Loratadine blocks the allergic reaction by minimizing or preventing the body's reaction to the allergen.


    How to take

    • This drug is most effective if started before contact with the allergen. Take at least 1 to 3 hours before.
    • Take this drug at a similar time of day.
    • Take with or without food. Take with food if it causes an upset stomach.
    • Oral-disintegrating tablet: Place on tongue and let dissolve. Water is not needed. Do not swallow whole. Do not chew, break, or crush.
    • A liquid (syrup) is available if you cannot swallow pills.
    • Those who have feeding tubes can also use the liquid. Flush the feeding tube before and after this drug is given.

    Missed Dose

    • Take a missed dose as soon as you think about it.
    • If it is close to time for the next dose, skip the missed dose and return to your normal time.
    • Do not take two doses or extra doses.
    • Many times this drug is taken on an as needed basis.


    • Store at room temperature.
    • Protect from light.
    • Protect tablets from moisture. Do not store in a bathroom or kitchen.
    • RediTabs®: After foil pouch is opened, use within 6 months. Once tablet is removed from blister card, use right away.



    • If you have an allergy to loratadine or any other part of this drug.
    • Tell healthcare provider if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs involved.
    • If you are breast-feeding.


    • Wear disease medical alert identification.
    • If you have kidney disease, talk with healthcare provider.
    • If you have liver disease, talk with healthcare provider.
    • Check drugs with healthcare provider. This drug may not mix well with other drugs.
    • If you have PKU, talk with healthcare provider. Some products do contain phenylalanine.
    • You may not be alert. Avoid driving, doing other tasks or activities until you see how this drug affects you.
    • Avoid alcohol (includes wine, beer, and liquor) or other drugs and natural products that slow your actions and reactions.
    • Tell healthcare provider if you are pregnant or plan on getting pregnant.

    Side Effects

    • Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this drug affects you.
    • Headache.
    • Dry mouth. Frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.


    • Change in health problem being treated. Is it better, worse, or about the same?
    • Dry mouth may cause an increase in cavities. Take good care of your teeth. See a dentist regularly.

    Contact a healthcare provider

    • If you suspect an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
    • Feeling extremely tired or weak.
    • Severe dizziness or passing out.
    • Any rash.
    • Health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada return any unused drugs back to the pharmacy. Also, visit for more facts about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, supplements, vitamins, OTC) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
    • Call your doctor for health help about side effects. You may also call the FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
    • Talk with healthcare provider before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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