Hi, Thanks for your question on HCM I do understand your pain and discomforts As per your history is concerned you have been given right medications so far if you like tell your treating doctor to add ciprofloxacin in the medication for a full course.second option is done a blood culture. You can do few things at home to prevent reinfection-: 1)wash your hands regularly. 2)Avoid drinking untreated water, use a water bottle when you go outside 3)Avoid raw fruits and vegetables 4)Choose hot foods while eating 5)Drink plenty of fluids 6)Add 5 to 7 clove buds to 8 cups of water. Boil this solution until it reduces by half. Remove from heat, cover and allow it to cool. Strain and then drink this concentration throughout the day. Follow this herbal treatment for at least 1 week. 7)mix 2 mashed bananas in ½ cup yogurt and add 1 teaspoon of honey. Eat this 2 or 3 times daily for a 2 weeks. Hope that helps