What are the common signs and symptoms of a UTI?

Common symptoms and signs of a UTI include a burning sting when you pee, a sudden need to go far more often, and urine that’s cloudy or smells strong.

Some women also get a low ache in the abdomen or spot blood in their urine. UTIs are the most common bacterial infection treated in UK primary care, and around half of all women will have at least one in their lifetime.

Most stay in the bladder and clear up quickly. A few move up to the kidneys, and need to be treated immediately.

Do I have a UTI?

These are the signs and symptoms women notice most often:

• Burning or stinging when you pee
• Needing to pee far more often than usual
• A sudden, can’t-wait urge to go
• Getting up in the night to pee
• An ache or pressure low down, around your bladder
• Cloudy urine
• Urine that’s darker or smells stronger than normal
• Blood in your urine
• Feeling tired, achy or just off

If you have a few of these symptoms, you can test at home with a UTI self-test or check what to do next with the NHS 111 service.

What does a UTI feel like?

It’s different for everyone, but most women describe some mix of:

• Burning or stinging as you pee
• A sharp, stinging feeling in the urethra
• Pressure or heaviness in the bladder
• Cramping or aching low in the abdomen
• Discomfort that spikes right when you’re peeing
• Back or side pain, which can mean it’s spread higher up

If the pain moves to your back or side and comes with a fever, chills, nausea or vomiting, that can be a sign it’s reached your kidneys. Don’t sit tight with that — call NHS 111 or head to a walk-in centre.

When to get urgent help

A pharmacist can treat most UTIs, but some situations need proper medical attention first. Get urgent help if you:

• Are pregnant
• Are aged 65 or over
• Have diabetes
• Have a weakened immune system
• Have a catheter
• Have symptoms that haven’t improved within 48 hours
• Keep getting UTIs

Lower UTI vs upper UTI

Where the infection sits determines how serious it is. A lower UTI stays in the bladder (cystitis) or urethra. Lower UTIs are common and usually manageable.

An upper UTI has reached the kidneys (pyelonephritis) or the ureters — the tubes running from the kidneys to the bladder. Upper UTIs are less common and require immediate medical attention. 

How common are UTIs in women?

• UTIs are the commonest bacterial infection managed in UK primary care, and around half of all women have at least one in their lifetime.
• In any given year, around 11% of women in England report having had a UTI.

What causes UTIs in women?

Most UTIs start when bacteria from your bowel, usually E. coli, enter the urethra and travel upward. Women get them far more often than men because the female urethra is shorter, so bacteria have less distance to travel. A few things make one more likely:

• A shorter urethra
• Sex
• Wiping back to front
• Not drinking enough
• Pregnancy
• The menopause
• Diabetes
• Kidney stones
• A blockage in the urinary tract
• Catheters
• A weakened immune system
• Spermicides and diaphragms

Conditions that can feel like a UTI

Not every burning or feeling is a bacterial UTI. There are other conditions that cause similar symptoms but need completely different treatment.

Interstitial cystitis (bladder pain syndrome)

• Same bladder pain, pressure and constant urge to pee — but there’s no infection behind it.
• Symptoms persist for weeks or months and don’t get better with antibiotics.
• Your urine tests keep coming back clear but the symptoms won’t quit,

Ask a clinician about interstitial cystitis.

Thrush

• Thrush can sting when you pee, too, which is why it gets mistaken for a UTI.
• Thrush affects the genitals, not the urinary tract, and usually comes with thick, white, cottage-cheese-like discharge and itching.
• A UTI won’t normally change your discharge.

Urethral irritation

Sometimes that burning is irritation rather than infection, such as from perfumed soaps or bubble baths, or from urethral syndrome, where you get bladder symptoms but urine cultures come back negative.

How is a UTI diagnosed?

Your symptoms or a urine test will determine this. A dipstick can flag signs of infection, and a sample sent off to a lab (a urine culture) to pin down the exact bacteria and the antibiotic most likely to clear it.

You can also test yourself at home with a UTI self-test. However for women over 65, dipsticks are unreliable, so diagnosis leans more on symptoms and a proper clinical assessment.

Can you have a UTI without symptoms?

Yes, some people carry bacteria in their urine without a single symptom. It’s called asymptomatic bacteriuria, and it gets more common with age.

]It’s advised that non-pregnant women and men shouldn’t be given antibiotics for it, because treating it doesn’t help and only adds to antibiotic resistance.

Signs it may have spread to your kidneys

Most UTIs stay in the bladder, but some travel up to the kidneys, . Watch for:

• A high temperature, or feeling hot, cold or shivery
• Back or side pain, particularly under the ribs
• Nausea or vomiting
• Blood in your urine
• Confusion or drowsiness
• Feeling really unwell, or symptoms getting worse fast

Kidney infections can turn serious quickly, so don’t try to ride these out at home — get them assessed. If this sounds like you, contact the NHS 111 service.

Treating a UTI

Treating a UTI depends on your symptoms, your risk factors, and whether things look straightforward or a bit more serious:

• Not every UTI needs antibiotics — some mild ones settle on their own.
• A pharmacist or GP might suggest self-care, pain relief, or an antibiotic like nitrofurantoin, depending on what you’ve got.
• Because antibiotic resistance is a growing problem, the right treatment isn’t always a default prescription.
• If you are given antibiotics, finish the whole course — even once you’re feeling better.
• You should notice things easing within a day or two. If they don’t, or they get worse, go back for advice.

There’s no single best antibiotic that suits everyone. The right choice comes down to your symptoms, history and risk factors, which is exactly why an assessment matters. We only supply treatment where it’s clinically right for you.

Can a pharmacist help with UTI symptoms?

If you’re 16 to 64 and you’re not pregnant or breastfeeding, our NHS Pharmacy First service (England patients only) means you can talk to a pharmacist about your symptoms and get treatment there and then, instead of waiting for a GP appointment. If it looks like cystitis (a bladder UTI), you can check whether our cystitis treatment is right for you.

Our clinical team will review your symptoms and tell you whether treatment’s suitable — or point you to urgent care if that’s what you need.