What causes fatigue, general weakness and loss of appetite? 76 possible conditions

Viewing 1 - 20 of 76 results

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

1

Cold and Flu Overview

Overview Colds (common colds) and the flu (influenza) are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Colds typically are confined to th...

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2

AIDS

HIV causes progressive failure of the immune system, making the body far more susceptible to infections and cancer.

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3

Common Cold Overview

The common cold is a virus that involves symptoms like sneezing, a runny nose and a headache. Learn the causes, symptoms and treatments for the common cold now!

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4

Hypothyroidism

The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can cause comlications like obesity and heart disease.

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5

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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6

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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7

Congestive Heart Failure (CHF)

Congestive heart failure is a chronic condition that affects the four chambers of the heart. Early symptoms include fatigue and weight gain. Irregular heart beat and wheezing indicate a worsening.

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8

Pregnancy

Bleeding or spotting, increased need to urinate, tender breasts, fatigue, nausea, and missed period are signs of pregnancy.

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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 immune reaction to gluten. Symptoms vary but can include arthritis, fatigue, and abdominal symptoms.

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11

PMS (Premenstrual Syndrome)

Premenstrual syndrome (PMS) is a condition that affects a woman's emotions, physical health, and behavior during certain days of the month generally just before her menstrual period. PMS symptoms start five to 11 day...

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12

Systemic Lupus Erythematosus

The immune system normally fights off dangerous infections and bacteria to keep the body healthy. An autoimmune disease occurs when the immune system attacks its own body because it confuses it for something foreign...

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13

Pneumonia

Pneumonia is an infection in one or both lungs. The infection may be caused by fungi, bacteria, or viruses. Pneumonia causes inflammation in your lung's air sacs, also referred to as alveoli. The alveoli fill with flui...

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14

Hookworm Infections

Hookworms are parasites. This means they live off other living things. Hookworms affect your lungs and small intestine. Humans contract hookworms through roundworm eggs and larvae found in dirt contaminated by feces...

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15

Cellulitis

Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch. The redness and swelling often spread rapidly. Cellulitis is usually painful.I...

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16

Migraine with Aura

Migraine is a disorder characterized by repeated attacks of severe headache. A migraine headache causes throbbing or pulsating pain, usually on only one side of the head. These headaches are often associated wit...

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17

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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18

E. coli Infection

E. coli is a type of bacteria that normally live in the intestines of people and animals. However, some types of E. coli, particularly E. coli 0157:H7, can cause intestinal infection. Symptoms of intestinal infectio...

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19

Bipolar Disorder

Bipolar disorder is a serious mental illness marked by extreme shifts in mood, from mania to depression. In mania, a person may feel extremely excited, impulsive, euphoric, and full of energy. Depression might brin...

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20

Underactive Pituitary Gland (Hypopituitarism)

Your pituitary gland is located just below your brain. It releases eight hormones that each plays its own role in your body processes. Functions range from stimulating bone growth to prompting your thyroid gland t...

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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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