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Doctor insights on: Allegra

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Dr. Michael Finkelstein
358 doctors shared insights

Allegra (Overview)

Allegra is a non-sedating antihistamine which is a kind of antihistamine type drug (common cold or symptom drug).


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What if i accidentally took 4 allegra (fexofenadine) pills?

What if i accidentally took 4 allegra (fexofenadine) pills?

Probably not much: If they were 30 or 60 mg then probably not much. Not sure about 180 mg. Suggest contacting poison control center in your area. The more important question is why you took four. Not to assume anything but if it were intentional in an attempt to harm yourself then seek someone's help now. ...Read more

Dr. Michael Finkelstein
358 doctors shared insights

Allegra (Overview)

Allegra is a non-sedating antihistamine which is a kind of antihistamine type drug (common cold or symptom drug).


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Cut a 180 mg allegra (fexofenadine) pill is okay versus taking 12hr 60mg?

Cut a 180 mg allegra (fexofenadine) pill is okay versus taking 12hr 60mg?

No: The allergra 180mg tablet was developed as a once a day tablet and not scored to be divided. Splitting this tablet in half will alter the pharmacokinetics of its absorption. ...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 took an Allegra (fexofenadine) pill but didn't know it was expired till after. I'm wondering if that could cause me any side effects?

I took an Allegra (fexofenadine) pill but didn't know it was expired till after. I'm wondering if that could cause me any side effects?

Expired allegra (fexofenadine): In general never take expired medication,some have serious effects. That being said how expired was it , a few weeks (less likely to have negative effects) versus a year( more likely)? Drugs lose potency expired. Did you take one or many? Are you thinking of hurting your self? if so please call 911 and/ or call 1800 273-8255 If only 1-3 months dont worry Poison control 1 800 222 1222 ...Read more

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Can I take an allegra (fexofenadine) pill about an hour after drinking thera flu?

Too much : In general I would not advise taking Allegra (fexofenadine) 30 min. after TheraFlu .TheraFlu contains an antihistamine called chlorpheniramine which would last for approximately 4 to 6 hours. So, you should wait that time frame, then it would be safe. ...Read more

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I took an Allegra (fexofenadine) pill of 180mg at 4pm, now is 4am and I think I have fever. Can I take ibuprofen800?

Yes if prescribed 2u: Allegra is a brand of generic fexofenadine for which the maximum dose is 180mg daily. Fexofenadine is a 2nd generation antihistamine used to treat allergies. Generic ibuprofen is a non-steroidal anti-inflammatory (NSAID) used to treat pain & fever. It is available over-the-counter in 200mg strength. 400mg, 600mg & 800mg are prescription only. Be careful of causing stomach ulcers w/prolonged use. ...Read more

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Between Mon & Tues I took 3 Allegra (fexofenadine) pills for a cold. Today Wed, I'm feeling weird in my head. I also am on Minocycline. Should I be concerned?

No: Good that you ask when on multiple medications. Although what do you mean by "weired"? What kind of allegra, (fexofenadine) and what dosage? We don't know and also how much minocycline you're on and for how long? we don't know, but either of them can cause drowsiness as a side effect, although they don't interact. If you really don't feel yourself and the symptoms are worrisome, see your doctor, ...Read more

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Why will happen if you take a Claritin (loratadine) 24 hour and then 12 hours later take an allegra allergy pill?

Why will happen if you take a Claritin (loratadine) 24 hour and then 12 hours later take an allegra allergy pill?

Not serious: Since it takes several doses of a medication to get therapeutic levels, taking a second allergy medication too soon should not have any bad effects. You may have a few more side effects. ...Read more

Dr. Patricia Foster
334 doctors shared insights

Fexofenadine (Definition)

Fexofenadine, previously marketed under the brand name allegra, is an antihistamine similar to ...Read more