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The first symptom of alcohol withdrawal is often tremors or "the shakes." This physical response typically occurs as the body begins to adjust to the absence of alcohol, which it has become dependent on over time. When a person regularly consumes alcohol, their central nervous system adapts to its presence. Once alcohol intake is reduced or stopped, this sudden change can lead to hyperactivity of the nervous system, manifesting as tremors.

Tremors are a clear sign of the body’s struggle to rebalance itself following the cessation of alcohol intake. They are typically noticeable in the hands and can begin as soon as a few hours after the last drink, often escalating in severity over the first few days. This reaction is one of the earliest physical signs of withdrawal, highlighting the body's dependence on alcohol.

In the context of alcohol withdrawal, other symptoms such as nausea, vomiting, hallucinations, anxiety, and agitation may indeed occur but usually present themselves after the initial tremors. This progression of symptoms underscores the importance of recognizing tremors as a critical early indicator of withdrawal, aiding in timely intervention and management for individuals undergoing this process.