acidosis). If seizures are a feature of the seda tive, hypnotic, or anxi olytic withdrawal, the
differential diagnosis includes the various causes  of seizures (e.g., infections, head injury,
poisonings). 
Essential tremor. Essential tremor, a disorder that frequently runs in families, may
erroneously suggest the tremulousness associat ed with sedative, hypnotic, or anxiolytic
withdrawal. 
Alcohol withdrawal. Alcohol withdrawal produces a sy ndrome very similar to that of
sedative, hypnotic, or anxiolytic withdrawal.