If you’ve ever had sex followed by that oh no feeling a day or two later (burning when you pee, pressure, urgency) you’re not alone. Getting a UTI after sex is incredibly common, especially for people with vaginas. Let’s break down why it happens, what actually helps, and when it’s time to get treatment.

Why does sex cause UTIs?
UTIs happen when bacteria (usually E. coli) make their way into the urethra and bladder. Sex is just one way this happens. BTW, none of this means sex is “dirty” or unsafe, it just means some of us are a bit more susceptible.

Here’s how:

• Friction: Sex pushes bacteria closer to the urethra
• Anatomy: The urethra is shorter in people with vaginas, so bacteria don’t have far to travel
• Position and pressure: Certain positions increase contact near the urethra
• Semen and lube: These can irritate the urinary tract or change the environment

You may be more prone to UTIs after sex if:

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• You’re dehydrated
• You don’t pee after sex
• You’re using new condoms or lubes
• You’re having sex more frequently than usual
• You’re stressed or run-down (hi, immune system)

Some people get one UTI after sex in their entire life. Others get them regularly. Both are normal, and both deserve better solutions.

What helps reduce UTI risk after sex?
There’s a lot of bad advice floating around. Here’s what actually helps.

Pee after sex
Yes, even if you’re tired. Peeing helps flush out bacteria that may have been pushed toward the urethra during sex. It doesn’t need to be immediate, you don’t have to sprint to the bathroom, but sooner is better!

Stay hydrated
More water means more peeing, which results in less time for bacteria to hang out and cause problems. Especially if you’re prone to UTIs, hydration is preventative care.

Don’t over-wash
Your vulva doesn’t need aggressive soap or scrubs, it is self cleaning! Over-washing can irritate the area and make infections more likely. Gentle, external-only cleansing is enough.

When to test for a UTI?
UTI symptoms can overlap with other issues, like yeast infections or irritation from sex itself. Before you take antibiotics for a suspected UTI, make sure you actually need them!

At-home UTI testing can help you:

• Confirm what’s actually going on
• Act faster
• Avoid unnecessary antibiotics

If symptoms are severe, include fever or back pain, or keep coming back, it’s time to get in person medical care.