Due to the nature of my job, I have to stay in contact with my coworkers, so we all have each other's personal numbers.
Some days ago I had an anxiety attack which sent me to the hospital. They told me I have depression and I have to go to rehab (due to alcoholism). I'm determined to get the treatment, but I'm in a very delicate emotional situation (I'm scared of myself, I cry randomly, conversations with certain people make me start overventilating or scratching my hand).
My boss wrote me a message to know how I was doing and I just told him I'm doing my best to recover and that the doctor has extended my sick leave until some date. He told me to get better soon and that's all.
However, this other coworker was on holidays when I left, and when she returned she sent me a message. I ignored her because usually when I get a message from her it's because she wants something and I don't wanna help anybody who's not important to me right now. Anyways, I ended up answering her while with my family, and she asked what's wrong, so I answered “it's complicated and I don't wanna talk about it”
2 days later she wrote me again, asking me why was I sick and when I was gonna return. The day after that I told her I was on sick leave until the date the doctor told me my sick leave is over. I know I'm not returning on that day because rehab will take longer, but I'm not talking to her about my rehab, I barely know her. She then asked me again why was I sick, she even asked me if I had covid, or some virus or what was it, even though my family told my boss I have depression (I wasn't able to take phone calls the first days, so my family answered my phone calls). I haven't answered that.
I don't know how to make her stop writing to me without being mean at her or telling her I'm depressed (which she wouldn't understand and would probably prompt a lot of more questions I don't wanna answer). I'm usually letting 2-3 days pass before answering her, but then she answers shortly after. She makes me anxious with all the messaging. I'm tired overall, and even more tired of her. I didn't specially like her before, but now I don't wanna see her ever again, can't she stop bothering me? She's not worried about me anymore because I told her I'm sick until some date, according to the doctor. I know my doctor is extending my sick leave, but she doesn't need to know that, if anyone, just my boss needs to know it.
PD: also, I don't really feel comfortable taking a sick leave so long. My head doctor told me she's extending the leave until I come out of rehab, but I'm not yet in rehab. It's true I also need to visit the psychologist at the hospital and some professionals at the rehab center and stuff, but technically I can work. I'd probably drink again if I went back to work for 2 weeks or something, but that's my fault for being irresponsible. Can anybody convince me that I'm in my right to take the sick leave, just like the doctors and everyone else try to?