Thanks for writing to H.C.M. for your query.
I have gone through your query regarding sore throat
and green phlegm for about 3 weeks. Your sore throat is so severe that you have pain on swallowing and coughing.
Considering your complaints and analysing it to co-relate with possible pathological process it appears as you are having respiratory tract
infection, there may or may not be involvement of sinuses. To frame the diagnsis you are advice for these investigations-
(a) C.T. scan of paranasal sinuses
(b) X-Ray chest- ( P.A. View ).
(c) Culture and sensitivity of throat swab.
(d) Blood- CBC, ESR
, blood sugar-(F. & P.P.), SGPT, Serum creatinin.
(f) Urine - Routine & Microscopic.
After a thorough examination and clinical co-relation of investigation's report one may reach to correct diagnosis and that may be accordingly plan for treatment.