These side effects may go away during treatment as your body adjusts to the medicine.
Allegra side effects dry eyes.
Rare side effects agitation an earache cough difficulty sleeping fever itching nervousness nightmares pain stomach cramps.
Sores in the mouth or on the lips.
This can worsen ocular allergies in two ways.
Common side effects may include.
Dry mouth nose or throat.
Seek immediate medical attention if you experience any of the following allegra side effects.
Hives itching or skin rash.
Or sleep problems insomnia.
Tightness in the chest.
Some side effects may occur that usually do not need medical attention.