Is there something psychologically wrong with my sister?!

Question: Is there something psychologically wrong with my sister?

My seventeen year old sister seems to have some sort of split personality. One second she is so nice to you and then she becomes a big *****. Her mood changes so often and she makes up little lies and is ALWAYS spending money. She then randomly gets upset depressed about everything in her life and always tells us that she doesn't want to be alone. Last night she woke up crying and she kept telling me she was chocking on something although she wasn't. That happens every so often. Then after a couple of days or weeks she's completely herself again, she's happy and a very sweet girl but eventually she'll turn into a very irritable girl that will not talk to anyone! She's been doing this for a year now and it's getting worse! Has she got some split personality?

Answers:

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Lots of things 'sound like' lots of things, and no one can diagnose over the internet. It could be she needs a good hormone test and balance and it could be she just needs some therapy or a good physical.
She doesnt have to suffer with pms or anything, she just needs to find the right help to feel better. she can ccall a compounding pharmacy and find out what doctors in your area test and balance hormones.

not a split personality, but sounds like maybe she has Borderline Personality Disorder. ppl w/it never want to be alone, have a love hate relationship w/those close to them, pushes ppl away then pulls them close- "keep your distance a little closer" they have mood swings, and frequently feel empty causing them to engage in compulsive behaviors like spending money, sex, substance abuse to feel the void.
or she could be depressed.
i would need more info and family info esp

could be diabetes ... the split personallity sounded like me when i had high sugars i was such a b**ch or could just be the teen thing ... take her to the doctor be like were going for a physical anual check up get blood work that will answer some questions and if nothing is wrong with the blood work try and see if the doctor will refer her to a phyciatrist

Her personality is most-likely not split, though she may have depression or bipolar disorder.
In order to be split, she must be a COMPLETELY different person when she switches. I mean that literally.

It's probably a bi-polar disorder. I heard that they can be very dramatic.

She might have bipolar disorder..

My brother is sort of like that. It sometimes worries me too. I asked my parents about it, they were a little worried, but didn't really do a lot about it. Sometimes my friends say that I have a split personality, but when they see my brother, they change their minds. (Because I'm nothing compared to him.) I don't think that having split personalities is a bad thing. I would worry about the 'woke up crying and said she was choking' one though. If it keeps happening, I would get some help. Repeating dreams aren't usually good. Sorry if this doesn't help much.

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Is there something psychologically wrong with my sister?!

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