Infection is invasion on body by disease causing agent. Your proneness to infection depends upon your body defense system (immune system) which fight against any such invading agent such as bacteria, virus and fungus. There are a number of factors which jeopardize your immune system resulting in increased susceptibility to infection. Those factors include nutritional deficiency, diabetes, HIV infection, compromised skin integrity such as after surgery or trauma, excessive sweating, compromised blood circulation, congenital immunoglobulin deficiency and chronic diseases etc. Look at these aspects. You might find the cause of repeated infection in yourself. Advise 1. Investigations – CBC, blood sugar (fasting & postprandial), HIV screening 2. Try to keep yourself clean 3. Adopt proper hygienic practices such as bathing and cleaning with good quality soap 4. Wash your hand before taking food and after coming from toilet 5. Take high protein diet such as eggs, meat, cheese, vegetable and fruits 6. Take proper antibiotic after culture & sensitivity report 7. Do not use any antibiotic indiscriminately 8. Start workout in gym Good luck!