What is irritability?

What is irritability?

Irritability is a behavior or response to people or circumstances that cause annoyance or frustration. While it can be a normal temporary symptom of stress or anxiety, severe or persistent irritability may be an indication of an underlying disorder.

Irritability can be related to psychiatric conditions, such as anxiety disorders, depression, bipolar disorderschizophrenia, schizoid and schizotypal personality disorders, or substance abuse. Drug, alcohol, or tobacco withdrawal can also cause irritability.

Irritability can also be related to medication side effects or chronic medical conditions. Medications and substances can directly affect the nervous system, which can result in irritability. Medical conditions that affect the central nervous system, such as dementia, brain tumors, meningitis, and stroke, can cause irritability. Irritability can also result from conditions that can deprive the brain of nutrients and oxygen, such as cardiovascular and lung diseases.

Irritability can also be associated with a variety of other diseases that affect how well one feels, such as chronic pain, chronic fatigue syndrome, acute illnesses, or severe illnesses.

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