As noted above all oral antihistamines including newer generation antihistamines such as claritin zyrtec cetirizine pfizer and allegra fexofenadine aventis pharmaceuticals dry the eye.
Allegra side effects dry eyes.
Some side effects may occur that usually do not need medical attention.
Seek immediate medical attention if you experience any of the following allegra side effects.
Sores in the mouth or on the lips.
Dry mouth nose or throat.
Common side effects may include.
This can worsen ocular allergies in two ways.
Nervousness rash sleeplessness terrifying dreams trouble sleeping.
Tightness in the chest.
Or sleep problems insomnia.
Rare side effects agitation an earache cough difficulty sleeping fever itching nervousness nightmares pain stomach cramps.