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Medications or Substances causing Hand tremors. Medications or substances causing Hand tremors. The following drugs, medications, substances or toxins are some of the possible causes of Hand tremors as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms (see Hand tremors).
It may subside during sleep and get worse when a person is under stress. A person might also experience head nodding or have a shaky sounding voice. Certain types of antidepressants, such as the selective serotonin reuptake inhibitors (SSRIs) and tricyclics, can indeed cause tremor as a side effect. Some studies estimate that 20 percent of patients treated with an SSRI or tricyclic antidepressant will develop a tremor.