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Benadryl vs. Allegra

Are Benadryl and Allegra the Same Thing?

Benadryl (diphenhydramine) and Allegra (fexofenadine hydrochloride) are antihistamines used to treat allergic symptoms of seasonal allergic rhinitis (sneezing, runny nose, itchy or watery eyes), and hives.

Benadryl is also used to treat insomnia, motion sickness, and mild cases of Parkinsonism.

A main difference between Benadryl and Allegra is that Allegra tends to cause less drowsiness and sedation than Benadryl.

Benadryl and Allegra are available in generic form and over-the-counter (OTC).

What Are Possible Side Effects of Benadryl?

Side effects of Benadryl include:

What Are Possible Side Effects of Allegra?

Common side effects of Allegra include:

Contact your doctor if you have serious but less common side effects of Allegra including

QUESTION

Allergies can best be described as: See Answer

What is Benadryl?

Benadryl (diphenhydramine) is an antihistamine used to treat allergies, hives, insomnia, motion sickness, and mild cases of Parkinsonism.

What is Allegra?

What is Allegra?

Allegra (fexofenadine hydrochloride) is an antihistamine used to treat allergic symptoms of seasonal allergic rhinitis (sneezing, runny nose, itchy or watery eyes), and urticaria (hives). Allegra is available as a generic drug.

What Drugs Interact With Benadryl?

Benadryl may interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety).

Benadryl may also interact with monoamine oxidase inhibitors (MAOIs).

What Drugs Interact With Allegra?

Allegra may interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety).

Allegra may also interact with ketoconazole or erythromycin.

SLIDESHOW

Could I Be Allergic? Discover Your Allergy Triggers See Slideshow

How Should Benadryl Be Taken?

A typical dose of Benadryl is 25-50 mg every 4-6 hours. Benadryl may interact with monoamine oxidase inhibitors (MAOIs), other over-the-counter cough, cold, allergy, or insomnia medications, anxiety or sleep medicines, antidepressants, or any other medications that make you feel drowsy, sleepy, or relaxed. Tell your doctor all medications and supplements you use. Benadryl has not been adequately evaluated in pregnant women. Benadryl is secreted in breast milk. Because of the risk of stimulation and seizures in infants, especially newborns and premature infants, antihistamines should not be used by nursing mothers.

How Should Allegra Be Taken?

Allegra is available in several strengths and forms; as tablets in strengths of 30, 60 and 180 mg, as 30 mg fast orally disintegrating tablets (available in foil blister packs and labeled "ODT"; the drug should not be touched by skin as it may begin to dissolve and reduce the oral dose) and as an oral suspension of 30mg per 5 ml. The dosage is dependent on the age, weight and effectiveness of the drug; special care should be taken when prescribing this drug to infants and children to make sure the recommended dosage is given.

Tell your doctor all medications and supplements you use. Tell your doctor if you are pregnant or plan to become pregnant while using Allegra; it is unknown if it will harm a fetus. It is unknown if Allegra passes into breast milk or if it could harm a nursing baby. Consult your doctor before breastfeeding. Note that the Allegra ODT tablets (orally disintegrating tablets) contain 5.3 mg of phenylalanine and should not be used by individuals with phenylketonuria.

Disclaimer

All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).

Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.

Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.

The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.

Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.

If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.

You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.

References
Medical Editor: John P. Cunha, DO, FACOEP

SOURCE:

RxList. Benadryl Medication Guide.

https://www.rxlist.com/benadryl-drug.htm#medguide

RxList. Allegra Side Effects Drug Center.

https://www.rxlist.com/allegra-side-effects-drug-center.htm
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