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My mum has essential tremor? anybody know any treatments? - essential tremor more condition_symptoms

My mother had an essential tremor for about three years. it does not need the pills because they give negative side effects. She asked her doctor for an injection received for him, but not recommended.
The essential tremor in his left hand. She became very aware of the public out. She stays at home most of the time.
Does anyone know a different treatment of essential tremor?