 [ Symptoms ] daughter has the flu sinusitus and now has a red rash all over her body eyes swollen and yellow underneath er  she has a fever again still taking her antibiotics and tylenol 3 for pain [ Disease ] i would say yes seek immediate medical attention obviously it is impossible to diagnose the situation in a forum like this but your daughter could be experiencing an allergic reaction this should be addressed as soon as possible i hope everything turns out ok