9 Reasons Why Your Hands Are Shaking

Parkinson’s disease. Parkinson’s disease is by far the most serious diagnosis associated with tremors. In this case, the shaking is worse when you are resting and not while you are using your hands. “The shaking in Parkinson’s disease is often called ‘pill rolling’ because it is like rolling a small pill between your thumb and the side of your index finger,” says Dr. Etienne.