UTIs frustrate us more than almost anything else we deal with in practice. Not because they’re hard to treat. Because the same avoidable mistakes keep happening and patients pay for it.
Someone comes in. Third infection this year. They’ve had two courses of antibiotics already, neither of which was chosen based on a culture result. They’re still symptomatic. They feel like their body is failing them when really the system failed them first. That’s the version of this story we see most often and it’s the one we want to address.
The Infection Itself
Bacteria can travel up the urinary tract—urethra → bladder → ureters → kidneys—if a UTI isn’t properly treated. Common warning signs are burning during urination, frequent urge to go, cloudy or foul-smelling urine, lower abdominal pain, and sometimes blood in urine.
What the textbook doesn’t always cover: older patients presenting with sudden confusion and no urinary symptoms at all. Toddlers with an unexplained fever that’s been going for three days. Diabetic patients with almost no symptoms while an infection is quietly establishing itself. We bring these up because we’ve seen all of them and each one was a UTI that nearly got missed.
Who Needs More Than a GP Visit
A simple UTI in an otherwise healthy person? A GP can handle that well. We genuinely mean that and we’re not in the business of over-medicalising things.
What we can’t defend is the patient who’s had four infections in eight months and keeps getting a different antibiotic each time with no culture ever being sent. Or the man with a UTI who’s been treated twice and nobody has asked why a man in his fifties is getting urinary infections to begin with. Or the patient whose symptoms cleared on antibiotics but came back within two weeks of finishing the course.
Three or more UTIs in a twelve month period. Symptoms that don’t fully resolve after treatment. Infections in men. Kidney stones. Diabetes. A history of urinary tract surgery. Back or flank pain, fever, vomiting alongside the urinary symptoms. Any one of these things changes the conversation from a repeat prescription to a proper workup.
Pregnancy Is a Different Category Entirely
This part doesn’t get taken seriously enough and we want to be direct about it.
Pregnant women get UTIs more easily. The uterus presses on the ureters as it grows. Hormonal changes relax the walls of the urinary tract. Bacteria have an easier path upward. And the part that catches people off guard: you can have a meaningful bacterial load in your urine during pregnancy and feel nothing. No burning. No urgency. Nothing out of the ordinary.
In a non-pregnant patient we might not treat that aggressively. In pregnancy, there’s decent evidence linking untreated urinary bacteria to preterm labour and low birth weight. Not theoretical risk. Actual documented outcomes. This is precisely why urine cultures are part of standard antenatal screening.
How to treat a UTI while pregnant is not a decision to make at the chemist. Certain antibiotics used routinely for UTIs aren’t safe depending on where you are in the pregnancy. Treatment needs a culture result and needs to account for gestational age. Any burning, frequency, or pelvic discomfort during pregnancy gets seen the same day at our clinic. Not at the next scheduled visit.
Children and UTIs
Parents miss UTIs in toddlers because toddlers can’t tell you what’s wrong. What we see is a child brought in for a fever that’s been running for three or four days with no source anyone can identify. Ears are clear. Chest is clear. A urine test gets done and there’s the answer.
For a toddler with unexplained fever over 48 hours, get a properly collected urine sample; antibiotics must be age- and weight-specific. Recurrent UTIs in children under five may need imaging to check for structural issues like vesicoureteral reflux.
What Keeps Getting Missed
When patients come to us after failed treatments the question, we start with is what investigations were actually done. Most of the time: not much. An antibiotic was chosen based on what usually works, which isn’t the same as what works for this patient with this organism right now.
Antibiotic resistance in urinary bacteria is not an abstract public health issue. It shows up in our clinic regularly. Organisms that are resistant to trimethoprim, to nitrofurantoin, sometimes to both. Without a culture and sensitivity result you are guessing. Educated guessing, but guessing. And when the guess is wrong the patient comes back worse off than when they started.
Beyond resistance we look for structural reasons someone keeps getting infected. Incomplete bladder emptying leaves a reservoir for bacteria to grow in. Kidney stones do the same. Bladder abnormalities. These don’t show up on a urine dipstick and they don’t go away because you treated the infection on top of them. This is the bit that requires a specialist and it’s why some patients need more than what a walk-in clinic can offer.
People Also Ask
Ans :- Sometimes a very mild lower UTI resolves on its own. Not reliably enough to bank on it though. The kidney infection risk is real and it moves faster than people expect.
Ans :- Recurrent UTIs happen due to wrong antibiotics, incomplete treatment, urinary tract issues, or vaginal changes; they need investigation, not just repeated treatment.
Ans :- 48 to 72 hours on the right antibiotic and most people feel noticeably better. Still symptomatic at day three means that antibiotic probably isn’t covering the organism. A culture needs to happen before anything else gets prescribed.
Ans :- Yes. Lower UTI to kidney infection is a progression that happens. In elderly patients, young children, and anyone immunocompromised, it can become serious quickly. Treat it.
Ans :- Yes, though far less often than women. When a man gets a UTI there’s nearly always a reason behind it. Prostate, structural issue, incomplete emptying. The infection gets treated but the reason needs finding too.
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Recurrent infections, a UTI during pregnancy, symptoms in a young child, something that’s just been going on longer than makes sense. These situations don’t resolve by waiting or trying a different antibiotic from the same category. Book a consultation with Dr. Nilanjan Mitra and we’ll work out what’s driving it.
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