Most other tremors occurred in association with hand tremor. Tremors can start at any age, from birth through advanced ages (senile tremor). Common ADRs include&colon; headache, dizziness, drowsiness, confusion, visual disturbances, tinnitus, tremor, and/or paraesthesia. Common side effects include feeling tired, tremor, nausea, and constipation. Myoclonus, palatal tremor, and opsoclonus-myoclonus may also appear. Numerous aftershocks occurred after the main tremor. Gabapentin may be an option in essential or orthostatic tremor. Other side effects include headaches and essential tremor. It typically manifests as bradykinesia, rigidity, resting tremor and posture instability. It has also been prescribed for essential tremor and akathisia. The word "tremor" is also used for non-earthquake seismic rumbling. Eye movements include drift, ocular tremor, and microsaccades. This 2010 Chile earthquake may be related or consequential to the 1960 tremor. He also noted an occasional, increasing nerve tremor in his hands and arms. Doctors advised Werbeniuk to drink alcohol to counteract a familial benign essential tremor.