Losing my daughter to mental health disturbance

My first post and looking for insight and hope.

My adult daughter over the past 6mths had two manic episodes which for all the family has been very scary. She was admitted to hospital and is now on medication - the first lots was not right for her hence the second episode - we are waiting to see about the new medication. She is not able to really acknowledge that she actually had a mental disturbance/ breakdown and has a bit of an story of how she ended up in the hospital but she has been following medical advice to take the prescribed medication so far - so on some level she must be accepting she needs to take it.

I am now sure we or the doctors are really at the point of understanding fully what sent her down this path - or what she really has in a clinical sense - though she had a lot of stuff going on in her life for the past 18mths. She is very health conscious and does not drink alcohol or take recreational or other types of drugs.

She has always been a super caring and loving person and mum - super gentle soul. Currently, even under the medication, its hard to have a two way conversation with her and some members of the family have noted she has become a bit mean in her nature. This is just so not the person/ daughter I have known for nearly 37years. I realise this will be a long journey with her and we need to be patient. I live interstate from her but have spent many weeks trying to provide support to her, the children and her husband - as too her siblings to varying degrees.

My biggest fear is losing her to this mental heath disruption and/or the jeopardy of her losing other important relationships before she recovers.