Can trauma make you emotionally unstable?

I’ve been having nightmares and it usually affects me for couple days and I don’t know what to do, my emotions are unstable I can have a sudden outburst, it’s either very sad or happy or all different types mixed in. It makes me not want to be in one place kind of energetic and walking all over and my mind constantly working and me doing things. Again I don’t know what to do I’m not on medication or anything, maybe I should speak to a doctor? It’s affecting my job too and I've been raped and I didn’t really open myself up to what happened I’m still in denial please help me!!!😭😭😭
Can trauma make you emotionally unstable?
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