I have really bad essential tremors that are controlled by propanolol. Be very careful with this drug, as it lowers your blood pressure. It is used for many things such as headaches, anxiety etc. I take one 20 mg 3 times a day and primidone at bedtime that also is an anti seizure, which helps with the anti seizure, which I don't have very often. I seem to have everything. I mean several autoimmunes, 4 rare etc, makes life interesting. My Neuro tried different versions.