What causes headache, shortness of breath and tired? 21 possible conditions

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

1

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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2

Flu Overview

Learn about flu causes, symptoms and treatments.

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3

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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4

Pneumonia

Pneumonia is an infection of the lungs. General symptoms include chest pain, fever, cough, nausea, and difficulty breathing. Blue skin, high fever, and bloody mucus are serious signs.

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5

Swine Flu

Swine flu, also known as H1N1, is a highly contagious virus with symptoms similar to common influenza types. It spreads quickly from person to person, and can linger on tables and surface areas.

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6

High Blood Pressure Overview

High blood pressure (hypertension) increases your risk for heart attack, stroke, coronary heart disease, and other serious health problems. Left untreated, high blood pressure can damage blood vessels and vital organs.

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7

Infectious Mononucleosis

Infectious mononucleosis, or "mono," is a group of symptoms caused by the Epstein-Barr virus. One potential symptom is a pink rash that looks like the measles.

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8

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, which carries oxygen to the body's tissues...

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9

Chronic Bronchitis

People often develop acute bronchitis after a viral chest infection. Blue-colored lips ankle or foot swelling can result.

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10

Polycythemia Vera

Polycythemia vera is a disorder in which the body produces an excessive amount of red blood cells. This can lead to clots, which block blood from reaching the heart or brain, causing serious damage.

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11

Diabetic Ketoacidosis

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

Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...

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12

End-Stage Kidney Disease

End-stage kidney disease is the final stage of kidney disease. Signs include an inability to urinate, headache, change in skin color, excessive thirst, and swelling in the legs and hands.

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13

Tuberculosis

Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. A severe and long-lasting cough, fever, and night sweats could indicate an active TB infection.

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14

Sarcoidosis

Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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15

Hypovolemic Shock

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

Hypovolemic shock is a life-threatening condition that results when you lose more than 20 percent (one-fifth) of your body's blood or fluid supply. This severe fluid loss makes it impossible for the heart to pum...

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16

Parrot Fever (Psittacosis)

Parrot fever is an infection caused by a specific type of bacteria called Chlamydia psittaci. In most cases, humans catch parrot fever from birds, including parrots, chickens, turkeys, pigeons, cockatiels, parakeets...

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17

Acute Mountain Sickness

Acute mountain sickness (altitude sickness or high altitude pulmonary edema) occurs in high altitudes, especially when exercising. A lack of oxygen can give the skin and lips a blue tinge.

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18

Legionnaires' Disease

Legionnaires' disease is a serious type of lung infection, or pneumonia, caused by bacteria. Fever, chills, cough, and head and muscle aches are common symptoms.

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19

What You Need to Know About Paroxysmal Nocturnal Hemoglobinuria

Paroxysmal nocturnal hemoglobinuria is a rare disorder that causes red blood cells to break down sooner than normal. This can lead to symptoms that range from minimal (urine discoloration) to severe (stroke).

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20

Absence of Gamma Globulin in Blood

Agammaglobulinemia (AGMX) is an inherited immune system disorder. Passed from parent to child, it is also known as Bruton’s agammaglobulinemia, congenital agammaglobulinemia, and X-linked agammaglobulinemia. AGM...

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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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