I Have Typhoid Fever From Last 4 Year With On

i have typhoid fever from last 4 year with on and off after 1 and half month with relapse anti bodies. i have been taken cipprofloxacin, novispectiveydate, and lefloxe antibiotics 20 days and some time 15 days respectively butt the disease not gone. i am in a lot of tension about my disease. please help me about my disease and tell complete treatment.