Sore or burning after fingering: why, and when it's a UTI

Author: Aunt Vadge
Qualified Naturopath | BHSc(N)

Last reviewed: July 7, 2026

Hi there,

I’m a virgin. My boyfriend fingered me for the first time, and I noticed a little blood on my underwear afterwards, but I’m due for my period so I thought nothing of it. A while later I went to the toilet, and when I was peeing it burned a lot. I couldn’t even wipe properly. It’s very sore. Please tell me why this is happening.

Thanks,
First Finger
South Africa

Dear First Finger,

The stinging is almost certainly because the fingering was a bit rough and has left a few small scrapes on your delicate inner labia. Urine is acidic, so it stings as it passes over the raw skin, and that also explains the little bit of blood. It should settle within a few days.

While it heals

Leave it alone, and no more fingering until it’s fully healed. Wear loose cotton underwear, and pour a little warm water over yourself while you pee if the stinging is sharp.

Keep an eye out for a urine infection

If the burning when you pee carries on beyond a couple of days, or you start needing to go very often, feel a sudden urgency, or get lower-tummy pain or a fever, see a doctor. That can be a urinary tract infection rather than just a graze, and it’s easily treated.¹

How this affects your vagina

The scrapes are on the vulva, the outer tissue, rather than deep inside – that area is sensitive and heals quickly once it’s left alone. Being too rough or too dry is what damaged it, so gentler next time keeps the skin intact.

Next time

Fingering shouldn’t hurt, and if you want the fuller picture on why it can hurt and when soreness is worth a second look, we’ve written it all up. Nails kept short and smooth, plenty of lube, slow movements, and telling your boyfriend what actually feels good all make the difference – every body is different, so he can’t just guess. Reading fingering basics together is a good start, and gentler kinds of touch are usually just as much fun and far less likely to leave you sore.

Write any time.

Warmest regards,
Aunt Vadge