When you come in contact with something you're allergic to, a chain reaction begins inside your body. During this chain reaction, specialized cells release powerful chemicals. Some of these chemicals can trigger swelling of the nasal passages leading to nasal congestion (a "stuffy nose"). Other chemicals, such as histamine, can cause sneezing, itching, and irritation.
Allegra is classified as an antihistamine. Allegra blocks the effects of histamine (hence its classification as an antihistimine). This can relieve
allergy symptoms. However, since histamine is not the cause of nasal congestion, taking Allegra will not help open nasal passages.
Is Allegra Used in Children?
Allegra tablets and Allegra ODT (orally disintegrating tablets) are approved to treat seasonal allergy symptoms and chronic hives in children six years of age and older.
Allegra oral suspension (liquid) is approved to treat seasonal
allergies in children as young as two years old and chronic hives in children as young as six months old.
Your healthcare provider may recommend Allegra for something other than the conditions listed above. This is called an "
off-label" use. Some off-label Allegra uses may include treatment for an unexplained long-term (chronic) cough or as part of
asthma treatment.
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