Irritable mood, Loss of appetite: 20 Possible Causes
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What causes irritable mood and loss of appetite? 20 possible conditions

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

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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3

PMS (Premenstrual Syndrome)

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

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4

AIDS

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

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5

Low Blood Sodium (Hyponatremia)

Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. A quick drop in sodium levels can cause weakness, headache, nausea, and muscle cramps.

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6

Hypercalcemia

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

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7

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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8

Teething Syndrome

Teething syndrome-or simply "teething"-is a normal process that infants go through as their teeth break, or cut, through their gums. Babies normally start teething when they are six months old. By the time a child i...

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9

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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10

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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11

Pinworm Infection

A pinworm infection is a highly contagious type of human intestinal worm infection.

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12

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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13

Migraine with Aura

Migraine is a disorder characterized by repeated attacks of severe headache. Symptoms include throbbing or pulsating pain, usually on only one side of the head, and can last between four hours and three days.

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14

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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15

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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16

Drug Allergy Overview

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

A drug allergy is an allergic reaction to a medication. Your immune system identifies the drug as foreign and acts to eliminate it from your body.

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17

Acetaminophen Overdose

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

Acetaminophen (Tylenol) is a pain reliever found in over-the-counter and prescription medications. Overdose can cause liver damage.

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18

Iron Deficiency Anemia

Iron-deficiency anemia is the most common type of anemia, which occurs when the body does not have enough of the mineral iron. The body needs iron to produce hemoglobin.

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19

Pituitary Cancer

The pituitary gland is a very small gland of major importance to the functioning of the human body. It is located directly behind the eyes and below the front of the brain. It is about the size of a pea. Despite it...

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20

MRSA (Staph) Infection

MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, 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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