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Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor. Essential tremor is the most common neurologic disorder affecting adults, but itâs not well understood.
The following medical conditions are some of the possible causes of Hand tremors. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Kinetic tremor (type of Tremor). 2  Intentional tremor. 3  Benign essential tremor. 4  Parkinson's disease. 5  Alcohol withdrawal. 6  Chronic alcoholism. 7  Dystonia.