E coli infection usually might be due to
1.
Diabetes risk
2.
Kidney stone infection
3. Urine stasis ( long standing urine) in the bladder
4. Sexual activity
5. Lack of adequate hydration etc.
Next Steps
You need a detailed assessment. An integrated approach will give you long term relief.
In the meanwhile,
1. Drink plenty of water.
2. Keep hygiene and wash undergarments with antiseptic liquid and sun dry it.
3. If there is constipation, then relieve it.
Health Tips
If you can send me the pic of Urine culture report, it would be most helpful.