It has recently come to light that he has some anxiety issues and it doesn't seem as though it is being addressed. When my daughter suggests that he talk to someone he gets upset with her and tells her she just doesn't understand. The biggest thing is that he often feels "off" and thinks that there is something seriously wrong with him. He often googles his "symptoms" and then scares himself and goes to urgent care or the ER,
You say his anxiety isn't being addressed. But, he IS addressing it. Unfortunately, it's not the right resources.
Google is a "friend." Yet not everything one reads on the Internet is accurate or truthful. Also, people lack the education, skills & judgement to
properly evaluate & ascertain the right info from the Internet. ER doctors are usually trained in emergency
physical situations, not mental or emotional. For those, they have basic textbook skills to refer patients on to the right experts in those fields.
Also, your DD lacks any type of training to handle this type of situation, as loving & caring as she is and wants to stand by him. The two things are separate. She is a great human being and caring, loving girlfriend, but not have the skills to handle the severity of this situation.
And she needs to approach the BF that this situation is possibly more and different that what Googling on one's own and what the ER doctors can provide. The WAY he is addressing it is incorrect, not that he isn't wanting to handle it. This is something out of both of their depths. She needs to get that across to him. He needs to go to doctors that can properly diagnose & treat him for his situation. BF needs to get over his ego and fear of going to the right doctors. He
can't treat this on his own. Not with drive-by doctor visits to the ER. They can only put a band-aid on something that may be much more long term and severe.
If BF
won't get this treated properly, DD also needs to know that if she wants to end their relationship, that doesn't make her a bad person or an uncaring girlfriend. He would be making a
choice to continue to not get it properly treated and take care of himself. She doesn't need to stand by that. She can make a choice to take care of her own needs and extricate herself from the relationship. No harm, no foul. She really can't and doesn't have to take care of someone who
chooses not to take care of himself properly.
Last, even if he does get this treated properly, but the continued incidences are more than she can handle, she still has a right to leave. Again, it doesn't make her an uncaring person. This turned out to be a situation she didn't sign up for. It's okay to leave and let the right girlfriend come into his life who is willing to take this on.