hi
@jelba
a good idea to have a chat with your own GP, you must take care of your own health and welfare ...trite to say, I know, but true nontheless
also, there is an Admiral Nurse in your area, give them a call as they are there to help the carer, even if the person you care for is in a different location
https://www.dementiauk.org/get-support/find-an-admiral-nurse/
you need to take a break, could you visit your parents every other weekend and arrange extra care for them for the days you can't go
to be honest, given your situation, how your dad is and your mum's decline, I wonder whether it's time to consider a respite stay at least, so both you and your dad can assess what's happening
sorry just looked at your previous posts, and your mum is in residential care
so she is looked after, and though I appreciate you want to visit her and your dad, to see how he is, it would be possible to miss a weekend visit ... and maybe arrange some home care for your dad, so he isn't trying to keep up with household chores as well as look after himself and visit your mum, then you might not be so concerned about him