What causes hand tremors?
Disease description:
Recently, my hands have been shaking involuntarily, and the trembling becomes more noticeable when holding objects. At times, the shaking worsens during moments of nervousness, which troubles me greatly. I would like to know what might be causing this hand tremor.
Doctor's answer (1)
Dr. Chen Jian
Hand tremors, also known as hand shaking, may be caused by various factors. Below are several common possibilities and their associated characteristics:
1. Physiological causes: Hand tremors may occur during emotional excitement, mental stress, physical fatigue, or excessive caffeine intake. These physiological tremors are usually temporary, such as after a stressful job interview or strenuous exercise, and generally do not significantly impact daily life.
2. Psychological causes: When a person is experiencing adverse mental conditions such as depression or anxiety, the body may exhibit involuntary reactions, including hand tremors. These tremors are closely related to psychological stress and emotional fluctuations.
3. Medical conditions: Essential tremor has a clear hereditary component and typically presents as action tremors when holding objects. Parkinson's disease mainly presents with resting tremors; the hands shake involuntarily when at rest, and may also be accompanied by symptoms such as muscle rigidity and postural imbalance. Hyperthyroidism can also cause hand tremors, as excessive thyroid hormones stimulate the sympathetic nervous system, often causing additional symptoms such as palpitations and weight loss. Neurological disorders, such as cerebrovascular disease or intracranial space-occupying lesions, may also affect the nervous system, leading to hand tremors.
4. Medication side effects: Certain medications, such as antipsychotics and antidepressants, may cause hand tremors as a side effect during treatment.
