What causes fever? 221 possible conditions

Viewing 81 - 100 of 221 results

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

81

Lyme Disease

Lyme disease is an infectious disease. It is caused by the bacteria Borrelia burgdorferi sensu lato. B. burgdorferi is transmitted to humans via a tick bite from an infected black-legged or deer tick. The tick become...

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82

Snake Bites

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

According to the Wexner Medical Center at Ohio State University, about 5,000 snake bite cases are reported every year in the U.S.

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83

Marine Animal Bites or Stings

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

Many marine animals bite or sting. Some deliver venom through their teeth, tentacles, spines, or skin. Others, such as sharks, aren't venomous but can inflict serious bites with their large, sharp teeth. Most creature...

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84

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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85

Hand, Foot, and Mouth Disease

Hand, foot, and mouth disease is a highly contagious condition. It usually affects children under five years old, although it can occur at any age. The condition is characterized by blisters in the mouth and a rash o...

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86

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. It happens after you inhale foreign matter. It is also known as anaerobic pneumonia. This condition is caused by inhaling materials such a...

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87

Spinal Cord Abscess

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

Spinal cord abscess (SCA) is a rare condition capable of causing permanent damage to the spinal cord. Abscesses are caused when injured tissue becomes infected. The body's immune system sends white blood cells to hel...

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88

Systemic Gonococcal Infection

Gonorrhea is a sexually transmitted infection (STI) caused by the bacteria Neisseria gonorrhoeae. It can infect both men and women and typically affects the urethra, rectum, or cervix. Most new cases of the infectio...

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89

Lymphangitis

Lymphangitis is inflammation (swelling) of the lymphatic system, which is a major part of the immune system. The lymphatic system consists of a network of organs, cells, ducts, and glands or "nodes" which can be foun...

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90

Infectious (Septic) Arthritis

Infectious arthritis is a painful infection in the joint. It may also be referred to as septic arthritis . It occurs when an infection, caused by a bacteria or virus, spreads to a joint or the fluid surrounding th...

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91

Hernia

A hernia occurs when an organ pushes through an opening in the muscle or tissue that holds it in place. For example, the intestines may break through a weakened area in the abdominal wall. Hernias are most common in th...

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92

Toxic Shock Syndrome

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

Toxic shock syndrome is a rare but serious medical condition caused by a bacterial infection. This condition is the result of toxins produced by the Staphylococcus aureus bacterium. Although toxic shock syndrome ha...

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93

Herpes Stomatitis

Recurrent herpes simplex labialis, also known as oral or orolabial herpes, is an infection of the mouth area caused by the herpes simplex virus. It is a common and contagious infection that spreads easily. According t...

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94

Mastoiditis

One of the most important structures in your inner ear is the mastoid bone . Although it's called a bone, the mastoid does not have the typical structure associated with bones in the human body. Rather than being soli...

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95

Addisonian Crisis (Acute Adrenal Crisis)

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

When we're stressed out, our adrenal glands produce a hormone called cortisol. Cortisol helps our bodies respond effectively to stress. It also plays a role in bone health, immune response, and the metabolism of food...

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96

Kidney Stones

Kidney stones, or renal calculi, are solid masses made of crystals. Kidney stones originate in your kidneys, but can be found at any point in your urinary tract. The urinary tract includes the kidneys, ureters, bladder...

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97

Rheumatic Fever

Rheumatic fever is one of the complications associated with strep throat. The condition usually appears in children between the ages of 5 and 15, even though older children and adults have been known to contract th...

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98

Cold Sores

Cold sores are red, fluid-filled blisters that appear near the mouth or on other areas of the face. In rare cases, cold sores may appear on the fingers, nose, or inside the mouth. There is no cure for cold sores, an...

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99

Gallstones

Many people can develop gallstones and never know it. Gallstones are hard deposits in your gallbladder, a small organ that stores bile, a digestive fluid made in the liver. Gallstones may consist of cholesterol, salt...

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100

Urethritis

Urethritis is a condition that affects the urethra. The urethra is the tube that carries urine from the bladder so it can be expelled from the body. Semen also passes through the male urethra. The core cause o...

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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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