i have a prob . last week my sister had what i,ve reciently algeric angioedma/Hypoglycemia (Low Blood Sugar) attack, simptoms include: swollen tongue, dizzyness, puffyness in face, after a few minuites airways swell & sconstrain breatrhing. & had an attack every day approximetly 24 hours apart, & has been admited multaple times to the hospital/emergency, but hours later & many test, result in nothing but low blood sugar or potasium, usauly treated & released, but repeats, 6 times so far, the specalest/alergest said virus, but docs say no, &prescribe zyrtec 10mg , pepcid 40 mg, prednisone, & a epipen 0.3mg for attacks., the funny thing is other simptoms,are not arising, so it,s confusing. this has never happened before, it worries me, she,s never been sick, too bad. if it is a virus then it should pass, i hope. in your expertiese, what is it? any ideas?