Hi Chestnut,
Welcome to the forum.
Ideally she needs to speak to her GP to get a referral for treatment especially as her OCD means that she thinks about self harming and suicide. It can be frightening asking for help. But it's something that she has to want to do and trying to talk someone who is close to you into seeking treatment can be difficult. Having said that it is sometimes easier for people with OCD to talk to others with OCD and so build up their confidence before approaching the professionals. The forum is ideal for that as you can remain as anonymous as you want.
I personally have found the forum a great help, it made me appreciate that I wasn't the only one going through the obsessions and compulsions. Initially I was reluctant to tell others about my OCD as I thought that I was the only one experiencing what I did, but on the forum I found there were others with the same obsessions and compulsions as me. I then didn't feel so embarrassed as I realised that I wasn't alone in what I did.
I have probably learnt more from the forum than from the professionals, it's meant that when I see the professionals I now have a greater insight into my OCD.
We do try to be here to support and help each other, we also have a laugh.
It would be good for her to be able to speak to others with OCD, she doesn't have to be alone.
Best wishes
Trudy