My dd has had 2 episodes of prolonged bleeding

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One after a minor tooth extraction when she bled for 7 hours afterwards and yesterday a severe nosebleed at school which took 30 minutes to stop.

I am wondering if this warrants further investigation or the doctor will think I'm a complete drama queen. She is 14 if that makes a difference. Any opinions?

No medical training here but I would say so. Either individually could just be down to location (it's hard to clot mouth bleeds) or management (you really do need to pinch that nose for 10 mins to stop a bleed, and No Picking The Scab) but both together might possibly warrant a trip to the doctor.

I would go. What is the worst thing that can happen? a blood test should show any clotting abnormalities.
Thjumb witch is some sort of haematologist, I'll ask her to come over to give you better advice.

I'd definitely go to the doctor - that qualifies as prolonged bleeding. I presume her periods have started - how are they going? Not that that is necessarily any real indicator but it might lend weight to your concerns.

She's too young to be likely to have raised blood pressure (which can cause prolonged nose bleeds, although 30 mins isn't that long really) but that's easily ruled out - and it's easy enough to check if she has a blood clotting condition, but will take a while to get any results.

There are a few heritable conditions that show reduced clotting - haemophilia is the most well-known one but well over 95% of sufferers are male, because it's a condition due to a faulty gene on the X chromosome (it's still possible to get female haemophiliacs, if the father has it and the mother is a carrier, but it's pretty rare) - there are others, such as Christmas disease, von Willebrand's disease and probably lesser known ones as well. If she does have one of these conditions, it is well worth knowing about for the future in case she needs to have any operations - precautions need to be taken prior to her being operated upon to prevent excessive bleeding.

I don't think your GP will consider you being a drama queen - 7h of bleeding is quite a long time! And most nosebleeds should stop within 15 mins if they're not being exacerbated by nose-blowing.

Was it constant 7 hours of bleeding, constantly pouring out? Or was it intermittent? (coz intermittent is normal after an extraction)
Also the socket where the tooth came out, can have blood stay in it, but only intermittently bleed.

Nose bleed may not be related. Nose bleeds are common. Made the stress of having her tooth out caused it or any other stress like school / homework etc.

She has only had one period so far and that was ok I think. The nosebleed was yesterday and could possibly have been brought on by stress, she has exams at the moment and also problems with a girl at school.

The tooth extraction was a couple of months ago. The bleeding would seem to stop but next thing her mouth would be full of blood. We ended up in A and E in the end because nothing I did would make it stop.

Didn't A&E suggest any testing at the time?

Anyway. Go to your GP, ask to get her checked out and then if there's nothing wrong, well and good. But at least you'll know either way. :)

When I was younger probably about age 14, I had to have 2 teeth out to make room in my mouth.
They intermittently bled for 24 hours after.
When it started bleeding again, they suggested I bite down on cotton wool.

Get it checked if your worried, but sounds very common and normal.