Allegra is the brand name of a drug Fexofenadine.
Fexofenadine is an antihistamine. Antihistamines work against
the naturally occurring chemical histamine in your body.
Fexofenadine (Allegra) is used to prevent sneezing, runny
nose, itching and watering of the eyes, and other allergic
What happens if I miss a dose?
Take the missed dose as soon as you remember. However, if
it is almost time for the next dose, skip the missed dose
and take only the next regularly scheduled dose. Do not take
a double dose of this medication.
What happens if I overdose?
Symptoms of a fexofenadine overdose are not well known.
What are the possible side effects
of fluticasone and salmeterol inhalation?
Stop taking fexofenadine and seek emergency medical attention
if you experience an allergic reaction (difficulty breathing;
closing of the throat; swelling of the lips, tongue, or face;
Allergic reactions occur only rarely, and other serious side
effects are not likely to occur.
Some less serious side effects may be more likely to occur.
Continue to take fexofenadine and talk to your doctor if you
experience nausea or an upset stomach.
Side effects other than those listed here may also occur.
Talk to your doctor about any side effect that seems unusual
or that is especially bothersome.