Hello dear Understand your concern smelly and cloudy urine with burning during urination suggests urinary tract infections (kidney infections, bladder infections, urethritis) constantly hungry and thirsty may be due to diabetes melitus. For exact diagnosis consult the MD doctor and get the done following investigations: Fasting Blood sugar, HbA1c for diabetes and for urinary tract infections: urine routine, microscopic and culture, urea , creatinine, CBC and ESR. Doctor may provide following advice: Regular healthy diet, start exercise, take small frequent meal rather than large meal, avoid excessive sweets in diet. Tablet septran , pyridium, nitrozolium and urine alkalizer for UTI. Drink plenty of fluids, take fruit juice of cranberry, orange and pineapple, Do not delay in empty the bladder and empty the bladder completely. Always take full course of antibiotics and repeat the culture after finidhing of treatment for eradication of bacteria. Hope this may help you Best regards Dr. Sagar