It may be useful to share with your family all that you are doing in being the primary caregiver for your loved one and ask them for ways they might be able to help you with the work load.
Family members sometimes don’t help because a) they think the caregiver has it all under control and doesn’t need help, or b) they don’t realize all that is being done.
Make sure that you approach them calmly and in a manner that doesn’t cause defensiveness.
Simply share with them that you need help and let them know the things you need help with. Not every family member will come around with this technique, but it can be more successful than you think it might be!
Also consider hiring some outside help and ask family members to contribute to paying for that care. Sometimes people won’t do the care themselves but will be happy to contribute to paying for it.
Don’t give up! You should not have to do this alone—caregiving is not a solo activity!