adrenergic antagonist
An agent that binds to but does not activate adrenergic receptors thereby blocking the actions of endogenous or exogenous adrenergic agonists.
sedative
A central nervous system depressant used to induce drowsiness or sleep or to reduce psychological excitement or anxiety.
first generation antipsychotic
Antipsychotic drugs which can have different modes of action but which tend to be more likely than second generation antipsychotics to cause extrapyramidal motor control disabilities such as body rigidity or Parkinson's disease-type movements; such body movements can become permanent even after treatment has ceased.
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