Suggest Treatment For Inflammation On The Legs With Fever

my father is 76 yrs old he is suffring some problem like Inflammation in legs Paws and any time coming fever so i check the doctor and says some test - these are haemoglobin 14.5gm/dl Total WBC Count - 16800/cmm differential count Neutrophils - 80% Lymphocytes 16% eosinophil - 02% monocytes 02% basophils 0% periphral smear examination malaria parasite Not seen in the smear studied platelets Adequate/cmm ESR - 50 mm/hr biochemistry results 86.0mg/dl method Sugar Random GOD,POD Serum Urea 63.0mg/dl serum creatinine 1.6mg/dl SGPT 36.0 IU/L Serum Electrolytes Serum sodium 137.8 m. eq./l serum potassium 3.58 m.eq./l serum chlorides 106.5 m.eq./l plz suggestive me ....