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Fexofenadine which is a second generation anti histaminc is considered per se to be the strongest of all the anti histaminic medications available in the market today .

It is prescribed in a dosage of either 120mg or 180mg at once a day dosing .

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14y ago
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6mo ago

Cetirizine (Zyrtec) and fexofenadine (Allegra) are considered some of the strongest antihistamines available over-the-counter for treating Allergies. For prescription-strength options, loratadine (Claritin) and levocetirizine (Xyzal) are also effective choices. Be sure to consult with a healthcare provider before starting any new medication.

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Q: What is the Strongest Antihistamine?
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