nurse (someone or something) through (something)
To give close medical care and attention to someone or an animal through a particularly dangerous or difficult period of ill health. My mother never left my side when I decided to give up heroin for good, nursing me through the most awful part of the withdrawal. I nursed my wife through three rounds of cancer treatment, so don't you dare tell me that I don't understand what suffering looks like.
nurse someone through (something)
to care for a sick person during the worst part of a sickness or recovery. There was no one there to nurse him through the worst part of his illness. It was a horrible ordeal, but John nursed her through.