Fexofenadine (Allegra)
Overview
Fexofenadine (Allegra): What is fexofenadine? Fexofenadine is an over-the-counter antihistamine medication used to relieve allergy symptoms such as watery eyes, an itchy nose, sneezing, and hives. It is considered to be the least sedating and preferred option for people to take during the day. How can fexofenadine help with long COVID symptoms? Histamine is a chemical our immune system releases that causes our allergy symptoms. Cells in our body called mast cells release histamine, and in some patients after COVID, they may release too much, leading to some of the symptoms of long COVID. Two types of drugs can block histamine in the body, which we call our H1- and H2-antihistamines. Blocking histamine can lead to anti-inflammatory effects that relieve certain long COVID symptoms.
Relevant Studies
PMC8494538 – www.ncbi.nlm.nih.gov
Full – www.frontiersin.org
Jim 2021 002051 – journals.sagepub.com
How it works:
Blocks histamine type 1 receptors
Dosage Form: Tablet Tablet - 60mg, 180mg; ER tablet - 180mg; Oral disintegrating tablet (for children) - 30mg; Suspension (for children) - 30mg/5mL
Common Usage: allergy symptoms such as runny nose, itchy eyes/nose, sneezing, "hay fever", hives
Precautions:
Pregnancy
There are no adequate and well-controlled studies in pregnant women. Should be used during pregnancy only if potential benefit justifies potential risk to fetus.
Lactation
Not expected to cause adverse effects
Warnings
contraindications include hypersensitivity to drug or ingredients, caution: pts >65 years old, kidney disease, Phenylketonuria
Write a Review
I started taking Fexofenadine (Allegra) for my seasonal allergies, and it has been very effective in relieving my symptoms without making me feel drowsy. I haven’t experienced any side effects, making it a reliable choice for managing my allergies.

I started taking Fexofenadine (Allegra) for my seasonal allergies, and it has been very effective in relieving my symptoms without making me feel drowsy. I haven't experienced any side effects, making it a reliable choice for managing my allergies.
Aug 26, 2024, 06:16:AM
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