An unintentional rhythmic movement of the muscles involving to and from movements of one or more parts of the body is called tremors. Tremor is one of the most common involuntary movements that can affect the arms, head, face, voice, hands, legs, and trunk. Most commonly, tremor affects the hands. In most of the cases, tremor appears as a symptom of certain neurological disorder. Or sometimes as a side effect of certain drug overuse. Tremor is not a life-threatening issue, but it may embarrass people and they may feel it difficult to perform daily tasks.

The main cause for tremor is the problems in parts of the body, that control muscles throughout the body or in particular areas. There are certain neurological diseases, that may produce tremor include stroke, traumatic brain injury, neurodegenerative diseases and multiple scleroses. Other causes include:

  • Drug use
  • Alcohol abuse or withdrawal
  • Mercury poisoning
  • Liver failure
  • Overactive thyroid etc.

Some of the tremors are inherited and run in families. There are some others, which do not have any known cause.

Main characteristics of the conditions may include:

  • Rhythmic shaking in the hands, legs, arms, head etc
  • Shaky voice
  • Difficulty writing or drawing
  • Problems holding or controlling utensils etc.

Some tremors may become exaggerated or triggered by mental stress or strong emotions. Tremor may occur at any age. It is very common among middle aged and older people. It can equally affect both men and women. Tremors are of different kinds.

These are diagnosed using physical exams and certain tests. The doctor will conduct neurological exam and other tests. Unfortunately, tremors cannot be cured completely. Treatments are depended up on the diagnosis of the cause. Some tremors respond to the treatments, whereas some others not. In certain cases, the patient might require psychological treatments. Commonly employed surgeries to cure tremors include- thalamotomy and deep brain stimulation.