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Doctor insights on: Can You Take Two Allegra In One Day

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Can I take more then 1 allegra (fexofenadine) a day? One isn't enough.

Can I take more then 1 allegra (fexofenadine) a day? One isn't enough.

Depends: If it is the Allegra (fexofenadine) 12 hr formula, you take it twice daily and the 24 hr formula once a day, just as it says on the package. If you feel you need more rx, then you should see your primary doctor, an allergist, or an otolaryngologist for more direction on how to treat your allergies. There are many more medication options plus allergy testing and immunotherapy can be offered. ...Read more

Dr. Stephen Scholand
360 Doctors shared insights

Fexofenadine (Definition)

Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more


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Can I take more than one Allegra (fexofenadine) 180 24 hour tablet per day? For how long can I take this?

Can I take more than one Allegra (fexofenadine) 180 24 hour tablet per day? For how long can I take this?

Yes: You can for a day or two, depending on why you need it for, if longer you need a doctor to look at you, you might need additional/different medicine, an allergist can help, check aaaai. Org or acaai. Org for an allergist in your area, good luck, ...Read more

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I am using two inhalers, one rescue and one twice a day. I use dailysingulair and allegra, Since Flu AandB, coughing like crazy.

I am using two inhalers, one rescue and one twice a day. I use dailysingulair and allegra, Since Flu AandB, coughing like crazy.

? upper airways: Are the problem, nose or sinuses, or middle ears, not every cough comes from the lungs, or reflux. Yes any virus can trigger airways inflammation, Flu A / B can, need to check with your doctor if you have nose or sinuses problem, you may need extra Rx medicines or antibiotics, check if your inhalers aren't empty (no active ingredients but still sprays), best wishes ...Read more

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Can I take 2 allegra (fexofenadine) 180mg tablets in one day? My allegies are going crazy today and one isn't working.

Ideally not: Presently the recommended upper limit of dosing for Allegra (fexofenadine) is 180 mg 1X/day. If it's not really helping you, you should revisit this with your primary care doctor as you may respond better to another antihistamine or need something adding to this anti-allergy regimen to help you out. Best of luck. ...Read more

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Is it okay to take Allegra and Benadryl (diphenhydramine) in the course of one day (24hrs) if Allegra alone is not providing the relief I seek?

Is it okay to take Allegra and Benadryl (diphenhydramine) in the course of one day (24hrs) if Allegra alone is not providing the relief I seek?

Yes, but: For what do you seek relief? If you have nose/eye/ear symptoms related to allergy, then there are more effective treatment strategies compared with oral antihistamines. An Allergist can help with this. If you have uncontrolled hives, might also see allergist or dermatologist, but using higher doses of long-acting antihistamine is common. Read labels and be aware of side effects (like sedation) ...Read more

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Can I take Allegra, (fexofenadine) Sudafed and NyQuil in the span of one day?

Can I take Allegra, (fexofenadine) Sudafed and NyQuil in the span of one day?

Better not: Nyquil has different formulations, all of them contain an antihistaminic as allegra (fexofenadine), (fexofenadine) and probably a decongestant as well like in allegra (fexofenadine) D / sudafed. Can be taken separately during the day, but not advisable. Kindly read the labels carefully and see your doctor if symptoms aren't controlled with self medicating. Good that you asked, always exercise caution with multiple medications, good luck ...Read more

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Doctor said take two Zantac (ranitidine) 150mg and two Allegra 180mg twice a day is this going to harm my body?

Doctor said take two Zantac (ranitidine) 150mg and two Allegra 180mg twice a day is this going to harm my body?

Medicine: Taking two Zantac (ranitidine) 150 mg daily is a normal dose but two Allegra 180 mg is higher than the recommended dose. It will not likely hurt you in the short term but it I would not recommend it longterm. Taking two Allegra is not likely going to help you much more than just taking one a day. ...Read more

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Is it bad if I take benadryl, (diphenhydramine) claritin, amd allegra-d all in one day?

Is it bad if I take benadryl, (diphenhydramine) claritin, amd allegra-d all in one day?

Similar medicines: All of these medicines are antihistamines. Taking combinations of antihistamines increases the possibility of side effects. If antihistamines are not working at recommended doses see a doctor. You may need a different type of treatment for your problem. ...Read more

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What if I take two allegra (fexofenadine) d, is this safe?

What if I take two allegra (fexofenadine) d, is this safe?

Double dosing: Many over-the counter medications are provided at 1/2 the prescription dose. For example, otc Pepcid (famotidine) is 20mg, whereas the prescribed dose is usually 40 mg. This general principle does not apply to all medications and Allegra-D is a good example. Double dosing the pseudofed in this medication could be dangerous. Always ask the pharmacist about safety before double dosing any otc medications. ...Read more

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What if I accidentally take two allegra (fexofenadine) d tablets within 24 hours?

What if I accidentally take two allegra (fexofenadine) d tablets within 24 hours?

Watch: If you took 2 of 180mg tab, please have someone watch for you the following signs: headache, vomiting, dizziness (2%), fever, pain, drowsiness etc, and contact your md immediately. ...Read more

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My child took two allegra (fexofenadine) pills instead of one. Should I be concerned?

My child took two allegra (fexofenadine) pills instead of one. Should I be concerned?

Should be okay: Huge doses in animals haven't shown any big problems. With severe urticaria, we use 2 to 3 times the recommended dose in some individuals. ...Read more

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I accidently took two allegra (fexofenadine) today, one this am, one just now. Should I be worried?

Be happy: You did not mention what strength of Allegra (fexofenadine) you took, but I assume you are worried because you took 2 tablets of 180mg each. We use this dose quite often for patients with severe rashes or hives. Also, during the clinical studies prior to the release of allegra, (fexofenadine) doses of up to 540mg were used without ill effects. ...Read more

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What happens if I take four allegras (fexofenadine) and one zyrtec?

What happens if I take four allegras (fexofenadine) and one zyrtec?

Allergy meds: Hello. Allergy medication like zyrtec, Allegra and Claritin (loratadine) help with the symptoms of allergy. The dose for an adult is 180 mg for Allegra and 10 mg for zyrtec. If you take these meds on the same day, an increase in dryness as well as sedation will likely occur. Especially 4 Allegra and 1 zyrtec. There are other medications to help with your allergies. See your doctor. ...Read more

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Can I take allegra (fexofenadine) 24 hr pill with meltonin is it ok to mix the two?

You can as: There really is no concerning interaction. There is a chance that the combination of the two may help you sleep better. ...Read more

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Can I take allegra before going to bed at night? I took one last night and I slept 3 hs only!! usually take it in the morning, any advice?

Allegra at night.: Technically, you can, as it is neither a sedating antihistamine nor a stimulant. If you took Allegra D, on the other hand, then you would have taken a stimulant before bed which would’ve kept you up. Check the packaging and make sure you’re not taking Allegra D. Otherwise, perhaps your lack of sleep was due to something else. ...Read more

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How long can I take Allegra- D in one time span safely?

Forever: You can take it indefinitely at the recommended dose. ...Read more

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Can I take Allegra & Benadryl (diphenhydramine) together or one or the other? Thanks!

Better not together: One or the other, space them out if you have to take both, but under doctor's supervision ...Read more

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Is allegra (fexofenadine) 24 hr safe to take everyday for a short period of time (one month or so)?

Yes: Allegra (fexofenadine hcl) is generally safe to take everyday, provided it is taken as directed. It should only be used for as long as needed (ie, during allergy season / allergy symptoms). Allegra-d however, contains a decongestant, which can cause palpitations, insomnia, elevated blood pressure and other stimulant like effects, and is contraindicated in some patients, ie, hypertensives. ...Read more

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Are there any negative side effects if I take one 180mg allegra (fexofenadine) tablet daily for years? I have allergies all yr.

Are there any negative side effects if I take one 180mg allegra (fexofenadine) tablet daily for years? I have allergies all yr.

Probably not, but: New generation antihstamines are in general safe and effective. However, the best treatment for year round allergies is 1) avoidance of the allergic trigger; 2) antihistamines like allegra; 3) topical nasal steroid sprays (most effective); 4) allergy injections--will provide relief in majority of people and decrease need for medications. ...Read more

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I have urticaria an the only thing keeping my hives away is to take two allegra (fexofenadine) aday about 10 hours apart is this ok?

I have urticaria an the only thing keeping my hives away is to take two allegra (fexofenadine) aday about 10 hours apart is this ok?

Absolutely: Many patients require higher doses of antihistamines to control hives. Studies support even up to six pills daily under a doctor's supervision with a good plan. 2nd line therapy would be for you to add an h2 blocker such as zantac (ranitidine) or Pepcid at one pill (with allegra) twice daily. ...Read more

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I have been getting hives for the last month. If I take an allegra (fexofenadine) the hives stay away for two days and then come back. Help.

I have been getting hives for the last month. If I take an allegra (fexofenadine) the hives stay away for two days and then come back. Help.

Allergens: Look like allergy -relieved by Allegra (fexofenadine) but you have persistent allergen around you as soon as Allegra (fexofenadine) effect wears off, it comes back. You need good history, blood work cbc, immunoglobulin and allergen patch testing. Please see an allergist/immunologist. Good luck. ...Read more

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Is it harmful to double up on 24 hr allegra (fexofenadine) during allergy season? (take two tabs 12 hrs apart daily)

No: Taking 2 Allegra (fexofenadine) per 24 hours period is safe. Make sure to stay hydrated as sometimes double dosing antihistamines can make you thirsty. ...Read more

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What is the difference between allegra (fexofenadine) and Flonase for allergy relief -take one or both?

What is the difference between allegra (fexofenadine) and Flonase for allergy relief -take one or both?

Flonase better: Allegra is an atihistamine and is helpful for itchiness, sneezing and a runny nose, not helpful for congestion. Flonase, an intranasal steroid covers all these symptoms plus congestion. Head to head studies comparing Flonase to antihistamines, singulair, (montelukast) or sudafed showed that Flonase beat them all. I usually suggest daily Flonase and adding an antihistamine on as needed or supplemental basis. ...Read more

Dr. Michael Finkelstein
382 Doctors shared insights

Allegra (Definition)

Allegra is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more