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joint pain

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Explore overview, symptoms, causes, treatment, diagnosis, prevention, and FAQ articles for this condition.

  • What is Lyme disease

    Lyme disease is an infectious disease caused by certain Borrelia bacteria, usually transmitted to humans through the bite of infected ticks. It primarily affects the immune system, skin, joints, nervous system, and sometimes the heart . The illness develops when the…

  • Symptoms of Lyme disease

    What are the symptoms of Lyme disease? The condition most often causes a characteristic skin rash, fever, fatigue, headache, muscle and joint pain, and later, in some cases, neurologic or cardiac symptoms. These effects do not arise randomly. They reflect the…

  • Causes of Lyme disease

    Lyme disease is caused by infection with Borrelia bacteria, most often Borrelia burgdorferi in North America and related species in Europe and Asia. The disease develops when these spirochete bacteria enter the body, evade early immune defenses, and spread from the…

  • Prevention of Lyme disease

    Lyme disease can be prevented to a meaningful extent, but prevention is not absolute. The illness develops when Borrelia burgdorferi or related Borrelia bacteria are transmitted to a person through the bite of an infected tick, most often a blacklegged tick.…

  • FAQ about Lyme disease

    This FAQ article explains the basics of Lyme disease, from what it is and how it develops to how doctors diagnose, treat, and help prevent it. Lyme disease is a tick-borne infection that can affect the skin, joints, nervous system, and…

  • Symptoms of Mixed connective tissue disease

    What are the symptoms of Mixed connective tissue disease? The condition commonly produces a combination of Raynaud phenomenon, swollen hands, joint pain, muscle inflammation, esophageal dysfunction, skin changes, fatigue, and breathing symptoms . These features arise because the immune system attacks…

  • Causes of Mixed connective tissue disease

    Mixed connective tissue disease is caused by an autoimmune process in which the immune system mistakenly targets the body’s own connective tissues, particularly structures rich in collagen, blood vessels, and immune-regulating proteins. The condition develops through a combination of immune dysregulation,…