Thanks for your query,based on the facts that you have posted it appears that your husband has high grade fever with sweating and there is no cure even after taking antibiotics for a week.
Please consult qualified Physician and get getfollowing basic tests done to find out the cause of his fever.
1) Haemogram with examination of peripheral blood smear to rule out Malaria
2) Widal tests to rule out Typhoid fever
Urine routine and urine culture to rule out UTI.
Please take broad spectrum antibiotics like Cefotaxime
along with anti inflammatory medication like Diclofenac
twice daily .
Further treatment will depend upon the final diagnosis
Ensure to drink more water to keep him well hydrated.