Hello, so I (F/29) have a sister (30+) who is a few years older than me (developing schizophrenia a couple years ago).

BEFORE She was so aggressive and physical before (like hitting and choking other family members). I wasn’t around when she had episodes until it was mostly under control now (meaning she’s under medication, see a psychiatrist every few months).

However, there’s this sudden moment 4-5 years ago when we thought she’s fine after seeing psychiatrist when out of nowhere she attacked my other sister (20s) with a knife and fortunately, I was there before she could hurt my other sister. She just barged inside a room and attacked my other sister when we did nothing.

Thankfully, that never happened again recently.

NOW That said though, she recently became irritated easily and moody.

She doesn’t like to wait, doesn’t like it when we disagree with her or said something else. She would cry or get mad. For example, when my mom told my sister that my mom would make an appointment for her to go somewhere tomorrow instead of right now, right now. My sister went berserk/got angry, telling my mom to go make the appointment now in a threatening tone/face.

I don’t know, it makes me anxious. I think I just cannot forget how she was trying to kill/hurt my other sister and another family member (for the latter, I only heard the stories but the person kept telling the story several times).

I don’t know if I’m justified in how I feel or not? How can I go on with my life, having her as a sister? Also, thinking what can I do if I have to live my life walking on eggshells around her because I’m afraid I will say something wrong or do something wrong and she will try to hurt me or her episodes come back. I can’t even discuss anything personal because I feel like it will make her feel jealous or triggered because I’m happy.

How can you deal with schizophrenic family when the person doesn’t allow you to disagree and cannot be reasoned with a lot of times?

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Tl;dr: schizophrenic sister tried to kill my other sister and I saw it as it happened. I cannot forget it. Recently, schizophrenic sister became more moody, I’m scared if she would do something similar. Am I wrong to assume this way or how do I deal with this anxiety and stop walking on eggshells around her?