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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).
Several factors aid clinicians in the diagnosis of drug-induced tremor: (1) exclusion of other medical causes of tremor (eg, hyperthyroidism, hypoglycaemia); (2) a temporal relation to the start of therapy with the drug; (3) a dose-response relation (ie, increasing the drug dose worsens the tremor, or decreasing the dose ameliorates the tremor); and (4) lack of tremor progression, unlike tremors in Parkinson's disease and essential tremor.