What causes fever and rapid heartbeat? 21 possible conditions

Viewing 1 - 20 of 21 results

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

1

Sepsis

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

One life-threatening complication of infection is sepsis, which often occurs in people who are elderly or have weak immune systems. Patches of discolored skin is a symptom of severe sepsis.

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2

Caffeine Overdose

You're at risk for caffeine overdose when you ingest more than 200 to 300 mg of caffeine (about three 8-oz cups of coffee) in a day. Dizziness, diarrhea, headache, and severe thirst may occur.

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3

Septic Shock

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

Septic shock is a complication of an infection in which toxins can initiate a full-body inflammatory response and organ failure. Confusion, breathing problems, chills, and cold sweats.

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4

Alcoholic Liver Disease

Damage to the liver from excessive drinking can lead to ALD. Years of alcohol abuse cause the liver to become inflamed and swollen. This damage can also cause scarring known as cirrhosis. Cirrhosis is the final stage o...

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5

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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6

Adrenergic Bronchodilators Overdose

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

An overdose happens when you take too much of a drug. Whether intentional or accidental, drug overdoses can be life threatening. Adrenergic bronchodilators overdose is when a person has taken too much of a certain typ...

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7

Thyroid Storm

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

Thyroid storm is a life-threatening condition that results from undertreated or untreated hyperthyroidism. Persistent sweating is one possible sign of thyroid storm.

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8

Sickle Cell Anemia

Sickle cell anemia is a genetic disease that causes red blood cells to have an abnormal shape, causing blood flow problems. This can lead to tissue damage and pain, as well as enlarged spleen, anemia, and other symptoms.

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9

Acute Pancreatitis

Acute pancreatitis is an inflammation in the pancreas, which causes pain and swelling in the upper left side of the abdomen, nausea, and burping.

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10

Amphetamine Dependence

People who have attention deficit hyperactivity disorder sometimes require amphetamines to help them cope. Some people take amphetamines to treat narcolepsy, a sleep disorder. Amphetamines are a type of stimulant, ...

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11

Toxic Megacolon

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

Toxic megacolon is a rare, life-threatening swelling of the large intestine that occurs within a few days. Symptoms, which can come on suddenly, include abdominal pain and bloating, fever, and diarrhea.

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12

Getting a Handle on Aspiration Pneumonia

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

Aspiration pneumonia is an inflammation of your lungs and bronchial tubes that happens after foreign matter is inhaled. Symptoms include chest pain, wheezing, and blue discoloration of the skin.

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13

Hernia

A hernia occurs when an organ pushes through the muscle or tissue that holds it in place. Hernias are most common in the abdomen. However, they can also appear in the upper thigh, belly button, and groin regions.

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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

Snake Bites

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

A venomous snake bite can be deadly and is a medical emergency. Even a bite from a harmless snake can cause infection or an allergic reaction, producing symptoms like pain and swelling, convulsions, nausea, or paralysis.

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16

Addisonian Crisis (Acute Adrenal Crisis)

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

People with Addison's disease don't make enough cortisol or aldosterone. Addisonian crisis is a potentially life-threatening condition indicated by nausea, abdominal pain, fever, and chills.

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17

Preeclampsia

Preeclampsia is a condition in which a pregnant women has high blood pressure and protein in her urine after the 20th week of pregnancy. Abnormal swelling of the face and hands can be a sign of preeclampsia.

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18

Pulmonary Fibrosis

Pulmonary fibrosis is a condition that causes lung scarring and stiffness. This keeps the body from getting enough oxygen.

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19

Myocarditis

Myocarditis is inflammation of the heart muscle. It is a rare condition that can be caused by any number of autoimmune diseases, viral, bacterial, or fungal infections, or parasites. When you have an infection or a...

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20

All About Autonomic Dysrelexia (or Hyperreflexia)

Autonomic dysreflexia is a condition in which the autonomic (involuntary) nervous system overreacts to a stimulus, causing a spike in blood pressure, racing heart, and changes in other autonomic functions.

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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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