Facial swelling: Levocetirizine helps only if the problem is allergies. April is a very high pollen time in AL. If itchy, think allergy. If sinus pain, yellow nasal secretions and sore throat, think sinus infection. If you feel infected, AVOIDING antihistamines helps a lot because they slow recovery. Other causes are possible too: dental, thyroid, angioedema , etc: http://www.healthline.com/health/facial-swelling
Answered 4/4/2015
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