Definitely seek professional support for your own feelings.
In the meantime however, are you doing what you can to support her through this? She’s, understandably, totally at capacity right now just trying to survive her own shit. Its possible that if you’re able to ease her burden, she might have enough mental capacity to recognise you and spend some of her mental energy on you. Or, worst case, she just suffers less.
James Acaster earned my eternal respect with that whole bit