Thanks for writing to H.C.M. for your query.
I have gone through your query and as you said that your Ig has been diagnose as having upper respiratory tract
infection as well as ear infection
. she is now having cold skin with sweats which you have never seen before. Considering you this clinical history it appears as she may be having Pneumonitis
as well or any other sepsis leading to shock.
She is now advice for these basic investigations-
(1) X-Ray chest P.A.view.
(2) C.T.scan of paranasal sinuses
(3) Culture and sensitivity of throat swab.
(4) Blood - CBC, ESR, blood sugar - F & P.P., Lipid profile
(5) Urine - R & M.
After this much work consult physician for recording of vitals and co-relation of inferences of investigations with clinical findings to reach to a final diagnosis which can accordingly be manage.