Is it normal for a 15 year old girl to get hot flashes?

I've had them occasionally for almost as long as I can remember. It usually happens when I'm in a lot of pain, I'll have hot flashes (this is especially true when i get bad stomach aches) or when it's too hot (obviously lol). I get them maybe once or twice a week. I'm also really sensitive to temperatures though, like if it's kind of chilly out I'll be freezing to death, or if it's a little warm I'm sweating buckets. Do my hot flashes have anything to do with that? I didn't really think anything of it till I found it that it's usually more common for older women. Should I see a doctor or anything?