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Doctor insights on: Fexofenadine Liver

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Can I still take allegra (fexofenadine) if I have liver disease?

Can I still take allegra (fexofenadine) if I have liver disease?

Maybe: Allegra (fexofenadine) is metabolized mainly through the liver so the dosage will need to be adjusted. It will depend on how severe the liver disease and the dosage of allegra (fexofenadine). You need to discuss this with your doctor. ...Read more

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Dr. Adam Lewis
2 doctors shared insights

Liver (Definition)

This organ plays a major role in metabolism and has a number of functions in the body, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification. It lies below the diaphragm in the abdominal-pelvic region of the abdomen. It produces bile, an alkaline compound which aids in digestion via the emulsification of ...Read more


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Wife had MRI with contrast dye yesterday. Has blotchey rash predominantly on chest, low back, and abdomen. Skin is warm. Face was swollen, has subsided. Took allegra (fexofenadine) yesterday & today. Worry?

Wife had MRI with contrast dye yesterday.  Has blotchey rash predominantly on chest, low back, and abdomen.  Skin is warm.  Face was swollen, has subsided.  Took allegra (fexofenadine) yesterday & today. Worry?

Improving: If her symptoms are improving on Allegra (fexofenadine) there should be no permanent harm. It is important that you report this allergic reaction to the radiology department and to your physician so that this contrast agent will not be used on you in the future. In addition see to it that this allergy is listed in your records. ...Read more

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What if I overdose on fexofenadine?

What if I overdose on fexofenadine?

Depends: Any overdose by any medication needs to be evaluated immediately. The treatment will depend upoin what is ingested, how much is injested and how it was injested. ...Read more

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Are dephenhydromine and fexofenadine the same?

Are dephenhydromine and fexofenadine the same?

Yes and no...: Diphenhydramine is the generic form of Benadryl (diphenhydramine) and fexofenadine is the geneuc form of allegra. Both medications are type i antihistamines. Diphenhydramine is a first generation antihistamine. It is shorter acting and more sedating. Fexofenadine is a second generation antihistamine that is longer acting and typically does not cause sedation. ...Read more

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Why would allegra (fexofenadine) be prescribed?

Many reasons.: Allegra is an antihistamine which can be used for itching of the skin, nose, eyes. It is mainly used to treat allergic reactions and to relieve seasonal allergic eye and nose symptoms. It is not very effective for nasal congestion unless used with another medication such as a nasal steroid or oral decongestant. ...Read more

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Any dangers of overdosing on allegra (fexofenadine)?

Possibly: Allegra (fexofenadine) has been studied at very high doses with no clinically significant adverse events. However, if a high enough dose is taken there may be adverse effects. I would be most concerned about potential cardiac arrhythmias at very very high doses. ...Read more

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Does allegra (fexofenadine) makes you sleep?

Does allegra (fexofenadine) makes you sleep?

Should not: 99 % it should not make you sleepy, but I have heard pt saying sometimes I feel sleepy after taking allegra, (fexofenadine) probably indirectly pt might be tired. ...Read more

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Can i take allegra (fexofenadine) with nyquil?

Cautiously: Be very careful as there may be increased side effects like drowsiness. ...Read more

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Can allegra (fexofenadine) affect pft results?

Can allegra (fexofenadine) affect pft results?

PFT: No. Allegra (fexofenadine) is just "anti-histamine" commonly referred to as "allergy medicine" in broad sense. Allergy medicines do not affect lung function. ...Read more

Dr. Scott Keith
354 doctors shared insights

Fexofenadine (Definition)

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