Autonomic hyperactivity, hand tremor, nausea or vomiting, psychomotor agitation, and grand mal seizures are all signs or symptoms of:

Symptoms of withdrawal from sedatives

Explanation:

Sedatives were widely prescribed in the treatment of anxiety disorders during the seventies as a safe and low toxicity option. The initial excitement gave rise to a concern about high consumption by the end of the same decade: a potential for harmful use and risk of dependence among users of such substances began to be detected.

When an individual is dependent on sedatives, abrupt withdrawal of these medications may cause withdrawal of sedatives and cause the following symptoms autonomic hyperactivity, hand tremor, nausea or vomiting, psychomotor agitation, severe seizures, among others.