Hepatitis C
"I DO NOT RECOMMEND Zepatier because of its long-term side effects. Before starting the medication, my father was able to walk around and care for himself and get things done.

During the 12-week course of Zepatier, he reported extreme fatigue among other side effects. He would often have to nap after waking up mid-morning, then again after 3 or 4 hours. He is an avid cook, but did not have the energy to cook, and experienced a decrease in appetite. 

3 weeks AFTER he completed his 12-week course of Zepatier, he is worse than he was before starting. He is still unable to stay awake throughout the day. Every little task exhausts him before he can complete it."