Irritability: Causes, Symptoms & Diagnosis
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What causes irritable mood? 83 possible conditions

Irritability is a feeling of agitation that can occur when someone is provoked. It can also be a symptom of a mental disorder or medical condition. Irritability generally causes a person to feel frustrated easily. Often this frustration results in a short... Read more

See a list of possible causes in order from the most common to the least.

1

Depression Overview

Depression is a mood disorder that can cause extreme and persistent feelings of sadness, hopelessness, and worthlessness. Depression type largely determines what kind of medical treatment is best.

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2

Middle Ear Infection

A middle ear infection (otitis media), occurs when a virus or bacteria causes the area behind the eardrum to become inflamed. It is most common in children.

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3

AIDS

There are many symptoms of HIV/AIDS, including persistent skin rashes, night sweats, and mouth sores.

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4

Low Blood Sugar (Hypoglycemia)

This condition is considered a medical emergency. Urgent care may be required.

Also known as hypoglycemia, low blood sugar can be a dangerous condition. Hypoglycemia is rare in people who are not suffering from diabetes, the chronic disease that affects the body's ability to regulate blood sugar...

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5

PMS (Premenstrual Syndrome)

PMS symptoms start five to 11 days before menstruation and typically go away once menstruation begins. The cause of PMS is unknown.

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6

Meningococcemia

This condition is considered a medical emergency. Urgent care may be required.

Meningococcemia is a bacterial infection that can lead to meningitis. Learn more about the symptoms.

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7

Colic and Crying

Your baby has colic if they cry for more than three hours a day, three or more times a week, for at least three weeks. This could be due to hunger, acid reflux, gas, or overfeeding.

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8

Meningitis

This condition is considered a medical emergency. Urgent care may be required.

Meningitis can affect you differently depending on your age. Learn more about the symptoms and risk factors for each age group.

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9

Subarachnoid hemorrhage

This condition is considered a medical emergency. Urgent care may be required.

Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.

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10

Delirium

This condition is considered a medical emergency. Urgent care may be required.

Delirium is an abrupt change in the brain that causes mental confusion and emotional disruption. It makes it difficult to think, remember, sleep, pay attention, and more. You might experience the condition durin...

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11

Sleeplessness

Sleeplessness, or insomnia, is a serious sleep disorder. It can mean the inability to fall asleep or stay asleep throughout the night, or the tendency to wake too early before having gotten enough sleep.

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12

Fracture

This condition is considered a medical emergency. Urgent care may be required.

A fracture is a broken bone that typically occurs when a bone is impacted by more force or pressure than it can support. In an open fracture, the ends of the broken bone tear the skin.

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13

CFS (Chronic Fatigue Syndrome)

Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme tiredness that can't be explained by an underlying medical condition.

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14

Anxiety

What is anxiety? Anxiety often manifests itself as an apprehension about daily life. Learn the basics with this overview of the types of anxiety disorders.

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15

Cluster Headaches

Cluster headaches are severely painful and occur in cycles. Read more for tips on how to treat and relieve them.

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16

Generalized Anxiety Disorder

People who suffer from generalized anxiety disorder, or GAD, worry uncontrollably about common occurrences and situations. The condition may also be called chronic anxiety neurosis.GAD is different than normal feeling...

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17

Bipolar Disorder

Bipolar disorder mental illness marked by extreme from mania to depression. Bipolar disorder is also called bipolar disease or manic depression.

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18

Acute Stress Disorder

Acute stress disorder (ASD) may develop after a traumatic event, and it can last up to one month. Learn about the symptoms of ASD.

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19

Dementia Overview

Dementia may affect memory, thinking, language, judgment, and behavior. Mental impairment must affect at least two brain functions to be considered dementia.

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20

Post Traumatic Stress Disorder (PTSD)

PTSD can affect anyone who has undergone a traumatic event. Read more on how to cope with it.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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