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/tɜː(ɹ)ˈfɛnədɪn/ · noun
An antihistamine drug formerly used to treat allergic conditions, superseded by fexofenadine in the 1990s due to the risk of cardiac arrhythmia..
Use terfenadine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Terfenadine means An antihistamine drug formerly used to treat allergic conditions, superseded by fexofenadine in the 1990s due to the risk of cardiac arrhythmia..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use terfenadine where its definition matches the intended context.
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