Other causes include the use of drugs (such as amphetamines, cocaine, caffeine, corticosteroids, benzodiazepine withdrawal, SSRI), alcohol abuse or withdrawal, mercury poisoning; this is also in infants with phenylketonuria (PKU), overactive thyroid or liver failure.
Other causes include the use of drugs (such as amphetamines, cocaine, caffeine, corticosteroids, SSRI), alcohol, mercury poisoning; or the withdrawal of drugs such as alcohol or benzodiazepine. Tremors can also be seen in infants with phenylketonuria (PKU), overactive thyroid or liver failure.