Because antipsychotic medications are symptom-specific (not disease-specific), they are useful in nearly all psychoses, whether primary (due to psychiatric illness) or secondary (substance-induced or due to a general medical condition). In the emergency setting, they are most often indicated to control agitated or psychotic behavior that constitutes an imminent danger to the patient or others.

A known allergy to a specific antipsychotic medication is a contraindication to its use and to use of other antipsychotic medications of the same class. Most patients who claim to be allergic to antipsychotic medications, however, actually describe a history of acute dystonic reactions when questioned more carefully.

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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