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What causes depression and irritable mood? 19 possible conditions

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

1

Depression Overview

Depression is classified as a mood disorder. It may be described as feelings of sadness, loss, or anger that interfere with a person's everyday activities. It is estimated that depression affects 1 in 20 Americans.

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2

Menopause

Menopause is a natural biological process in women that marks the permanent end of menstruation and fertility. Hot flashes, vaginal dryness or pain, and frequent urination are signs.

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3

PMS (Premenstrual Syndrome)

Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.

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4

Personality Disorder

Find information on personality disorder types, symptoms, diagnosis, and treatment.

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5

Schizoaffective Disorder

Schizoaffective disorder is a rare psychological disorder. Learn the symptoms of this condition, and how it's diagnosed and treated.

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6

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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7

Bipolar Disorder

Bipolar disorder is a mental illness marked by extreme shifts in mood ranging from mania to depression. It is also called bipolar disease or manic depression.

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8

Dementia Overview

Find out what you need to know about dementia, and learn how it's different from ordinary aging.

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9

Concussion

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

A concussion is a mild traumatic brain injury. Usually it occurs after an impact to your head or after a whiplash-type injury. A concussion can cause many severe symptoms that affect brain function.

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10

Alcohol Withdrawal Syndrome

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

Alcohol withdrawal syndrome (AWS) is the name for the symptoms that occur when a heavy drinker suddenly stops or significantly reduces their alcohol intake. With AWS, you may feel mild anxiety and fatigue. You may als...

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11

Nicotine Dependence

Nicotine addiction occurs when a person becomes addicted to nicotine, which is a chemical found in tobacco. The addiction is physical, mental, and behavioral.

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12

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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13

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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14

Whiplash

Whiplash occurs when a person's head moves backward and then forward very suddenly with great force. This injury is most common following a car collision.

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15

Postpartum Depression

Postpartum depression affects as many as 13 percent of new mothers. In the U.S., that's half a million women. Learn about symptoms, causes, risks, and more.

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16

Alcohol Withdrawal Delirium

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

Alcohol withdrawal delirium (AWD) is the most serious form of alcohol withdrawal. It causes sudden and severe problems in your brain and nervous system. Approximately five percent of hospital patients being treated fo...

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17

Hypercalcemia

Hypercalcemia is a condition in which you have too much calcium in your blood.

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18

Post Concussion Syndrome

Post-concussion syndrome refers to lingering symptoms after a concussion or a mild traumatic brain injury (TBI).

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19

Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.

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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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