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 | Allegra (fexofenadine), is a non-sedating antihistamine that has recently become available over-the-counter (OTC) without a prescription. Since becoming available OTC, as well as being approved for young children, Allegra will likely become even more popular for people with allergy symptoms. For this reason, it is important for people to know that taking Allegra along with various fruit juices, especially orange and grapefruit juice, reduces the absorption of Allegra by more than one-third, therefore making the medicine less effective. Allegra depends on specialized receptors on cells within the small intestines, called organic anion transporting polypeptides (OATPs), to absorb the medicine into the body. When various fruit juices are present in the small intestines, especially grapefruit, apple or orange juice, these OATPs are unable to absorb Allegra into the body. This effect seems to occur with soft drinks with as little as 5% fruit juice. Taking Allegra with fruit juice may decrease the absorption by nearly 40% or more, making the medicine far less effective against the treatment of allergy symptoms. It is important for a person taking Allegra to avoid fresh fruit or fruit juices for an hour or 2 before or after taking Allegra. Otherwise, the effective of Allegra will be significantly reduced, and allergy symptoms will likely be left uncontrolled. | |
Allegra For the Treatment of Allergies
Allegra is available in brand name and generic (as fexofenadine) forms, and comes in tablets, liquid, and oral disintegrating tablets. The dosage of Allegra is 15 milligrams twice a day for children 6 months to 2 years of age, 30 milligrams twice a day for 2 to 11 years of age, and 60 milligrams twice a day (or 180 milligrams once a day) for ages 12 years and older... Read more
| Zyrtec for Allergies
Zyrtec is available without a prescription (over-the-counter) in brand name (Zyrtec) and generic (cetirizine) types, and comes in tablet, chewable and liquid forms. The dosage of Zyrtec is 5 milligrams for children 2 to 6 years of age, and 10 milligrams for 6 years of age and older... Read more
| Claritin for Allergies
Claritin is available over the counter without a prescription and in multiple generic forms, and comes in tablet and liquid forms, and as oral disintegrating tablets. The dosage of Claritin is 5 milligrams for children 2 to 6 years of age, and 10 milligrams for 6 years of age and older... Read more
| Skin Allergies
Discussion of the most common types of skin allergies, including hives, swelling, eczema and contact dermatitis. Other areas of skin allergies, including drug and medication allergies are also discussed.
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