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Fexofenadine : Interaction with Foods, Herbs & Alcohol


Are you taking Fexofenadine? Are you aware of the dangers of combining Fexofenadine with certain foods, herbs, or alcohol? Drug-food-interactions are seldom discussed but can lead to undesirable side effects and potentially diminish the efficacy of the medication.

Fexofenadine Interactions with Food and Herbs

Grapefruit: Avoid grapefruit juice when you are taking fexofenadine. It can block the action of transporters and reduce the blood levels of fexofenadine and might cause the drug not to work (1 Trusted Source
National Library of Medicine: Fexofenadine MedlinePlus Drug Information.

Go to source
).

Other fruit juices:
  • Intake of fexofenadine with orange, and apple juice can also reduce the bioavailability and cause some side effects.
  • It is better to avoid consuming these fruit juices before and after taking fexofenadine (1 Trusted Source
    National Library of Medicine: Fexofenadine MedlinePlus Drug Information.

    Go to source
    ).

Fexofenadine Interactions with Alcohol

  • Intake of fexofenadine with alcohol will make you feel sleepy.
  • It is better to avoid alcohol when you are on this drug especially when you have to be alert or working with machinery (2 Trusted Source
    FDA. US Food and Drug Administration. Grapefruit Juice and Some Drugs Don't Mix.

    Go to source
    ).

When and How to Take Fexofenadine

  • Fexofenadine is available as both a prescription and an OTC medication.
  • It comes in the form of a tablet and suspension to take orally (by mouth) with water.
  • You will be usually advised to take it once or twice a day. Follow the instructions as given by your doctor's prescription.
  • Take the medication at around the same time every day for better results.
  • Don't exceed or skip the dose. Do not double the dose at a time to compensate the missed dose (3 Trusted Source
    NHS - Fexofenadine: antihistamine that relieves allergy symptoms.

    Go to source
    ).

References

1. FDA. US Food and Drug Administration. Grapefruit Juice and Some Drugs Don't Mix. Retrieved on 8th June 2022 from: https://www.fda.gov/consumers/consumer-updates/grapefruit-juice-and-some-drugs-dont-mix
2. NHS - Fexofenadine: antihistamine that relieves allergy symptoms. Retrieved on 8th June 2022 from: https://www.nhs.uk/medicines/fexofenadine
3. National Library of Medicine: Fexofenadine MedlinePlus Drug Information. Retrieved on 9th June 2022 from: https://medlineplus.gov/druginfo/meds/a697035.html#how

Drug Name : Fexofenadine

Fexofenadine is an antihistamine, prescribed for seasonal allergic reactions such as runny nose, sneezing, red, itchy, or watery eyes; itching.
We recommend consulting your doctor to verify the information presented on this page or if you need any further clarifications.


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Fexofenadine for Medical Condition(s)