Joint pain | Symptom Checker
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What causes joint pain? 101 possible conditions

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

21

Tendinitis

Tendons are thick cords that join your muscles to your bones. When these tendons become irritated or inflamed, it is called tendinitis. This condition causes acute pain and tenderness, making it difficult to move th...

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22

Polymyalgia Rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes muscle pain and stiffness. Learn about its symptoms, diagnosis, and treatment.

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23

Swine Flu

Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air. Symptoms are similar to regular influenza.

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24

Lyme Disease

Lyme disease is an infectious condition transmitted via tick bite. A "bull's eye" rash at the site of the bite is an early symptom of this disease.

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25

Reactive Arthritis (Reiter's Syndrome)

Reactive arthritis is a type of arthritis triggered by an infection in the body.

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26

Systemic Lupus Erythematosus

Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.

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27

Infectious (Septic) Arthritis

Infectious arthritis occurs when an infection, caused by a bacteria or virus, spreads to a joint or the fluid surrounding the joint (synovial fluid).

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28

Baker's (Popliteal) Cyst

A popliteal cyst, also known as a Baker's cyst, is a fluid-filled swelling that causes a lump at the back of the knee.

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29

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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30

Ulcerative Colitis

Ulcerative colitis is an inflammatory bowel disease. It occurs when the lining of the large intestine (colon or bowel) and the rectum become inflamed.

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31

Paget's Disease of the Bone

A typical human skeleton consists of 206 bones. Bones are constantly being broken down and rebuilt. If this process is altered, bones can break down and re-form abnormally and in ways that compromise the integrity o...

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32

Polio

Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system. It is most likely to be contracted by children under five years old.

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33

Fifth Disease

Fifth disease is common in children. It causes a red rash on the arms, legs, and cheeks, and a virus called parvovirus B19 causes it.

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34

Temporal Arteritis

Temporal arteritis occurs when the temporal arteries, which supply blood to the head and brain, become inflamed or damaged.

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35

Psoriasis Overview

Psoriasis is a chronic disease characterized by red patches on the skin, often accompanied with silvery-white scales of dead skin cells. It is not contagious.

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36

Infectious Mononucleosis

Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).

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37

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 complications like obesity and heart disease.

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38

Ganglion Cysts

A ganglion is a mass of biological tissue. A ganglion cyst is a round, fluid-filled lump. It often goes away without treatment.

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39

Familial Hypercholesterolemia

Learn how familial hypercholesterolemia (FH) is a genetic disorder characterized by high levels of cholesterol.

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40

Acromegaly

Acromegaly is a rare hormonal condition caused by an excess amount of growth hormone in the body. It leads to excessive growth.

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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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