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What causes muscle pain? 77 possible conditions

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


Valley Fever (Coccidioidomycosis)

Coccidioidomycosis, also known as valley fever, is a fungal infection that starts in the lungs and can potentially spread to the rest of the body. Fever, chills and sweating are common.

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

Eclampsia is a rare but severe condition that causes seizures during pregnancy. Seizures are periods of disturbed brain activity that can cause episodes of staring, decreased alertness, and violent shakin...

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German Measles (Rubella)

German measles, also known as rubella, is a rare viral condition. One of its symptoms is a pink rash that begins on the face and spreads downward.

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Weils Disease

Weil's disease is a severe form of the bacterial infection leptospirosis, which can lead to organ failure and bleeding. Symptoms include nausea, fever, headache, and jaundice.

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Infective Endocarditis

Infective endocarditis is an infection of the heart, normally caused by bacteria in the blood stream. It is a serious medical condition. If left untreated, the infection can damage your heart and may even cause death.

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West Nile Virus Infection (West Nile Fever)

Spread by mosquitos, West Nile virus symptoms can vary in severity. Diarrhea and abdominal pain usually appears within two weeks of infection.

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Bird Flu

Bird flu, also called avian influenza, is a viral infection that can also infect humans and other animals. However, most forms of the virus are restricted to birds. H5N1 is also the most common form of bird flu. No...

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Yellow fever

Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. It's found mostly in Africa and South America. Symptoms of stage 3 yellow fever include abdominal pain, vomiting, and jaundice.

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Hepatitis D

Hepatitis D is an infection of the hepatitis D virus that causes your liver to swell and is uncommon in the United States. It is almost always contracted by people with hepatitis B.

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Hepatitis C

Hepatitis C is a disease that causes inflammation and infection in the liver. Symptoms of chronic cases may not be obvious at first, whereas acute hepatitis C sets in quickly after exposure to the virus.

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Polyarteritis Nodosa

Polyarteritis nodosa (PAN) is a condition that causes swollen arteries. It primarily affects small and medium-sized arteries, which can become inflamed or damaged. This is a serious disease of the blood vessels cause...

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Q Fever

Q fever, also called query fever, is a bacterial infection caused by the bacteria Coxiella burnetii. The bacteria are most commonly found in cattle, sheep, and goats around the world. Humans typically get Q fever whe...

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Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells. There are many different types of vasculitis; some are acute and last a short time, whil...

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Dengue Hemorrhagic Fever

Dengue hemorrhagic fever is a severe and sometimes fatal infection that occurs tropical regions. It is most common in Southeast Asia and the western Pacific islands. The disease has been increasing rapidly in Lati...

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Aseptic Meningitis

Meningitis is a condition that causes the membranes covering your brain and spinal cord to become inflamed. Sometimes, this inflammation is due to bacterial infection. When bacteria are not causing the inflammation o...

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Snake Bites

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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Tularemia is an infectious disease of wild rodents, squirrels, and rabbits. Humans can become infected by having direct contact with an infected animal or from tick, mosquito, or deer fly bites. The disease is caused b...

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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.