Everybody is going to be different when it comes to recovery.

Cancer Related Fatigue (CRF) can last for a while after treatment. Exercise is the best way to help with it, but also getting his TSH levels checked as well as his testosterone. There is medications for both if deficiancies are found and they can help improve the issues.

Memory loss...tough one. I still suffer however mine isn't just due to the chemo but from long term opiate use. If your husband is still on opiate pain meds they can cause both memory loss and fatigue.

5 Hour Energy helped me with the energy issues even when I was still on a large dose of fentanyl. I still use it myself and it helps me pull the long days I've become accustomed to.

Hope that helps,

Eric