My daughter was prescribed nortriptyline to help with her nerve pain. She started taking it Friday night. Today, she feels really weak, and shaky. I'm waiting for a call back from the Dr. regarding these side effects Wondering if anyone has had similar experiences. I know they are listed as possible side effects. She is on the smallest does they have currently, 10mg. Wondering if they will go away, or if we will have to discontinue usage.