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   Knee pain
Knee pain
Medical terms related to knee pain :
Knee pain
Common causes of knee pain: 
o Sprain and strain
o Cartilage Tear
o Osteoarthritis (a wear-and-tear condition that may develop as you age)
o Arthritis:
Including rheumatoid, osteoarthritis, and gout, or other connective tissue disorders like lupus.
Chondromalacia Patellae (Patellofemoral Syndrome):
Pain over the front of the knee with softening of the articular cartilage of the patella as in runner's knee.
Bursa is a small serous sac between a tendon and a bone. Bursitis means inflammation of the bursa (as of the shoulder or elbow).
Inflammation or injury to the tendons of the knee that can cause pain in the front of the knee that gets worse by going up and down stairs or inclines.
o Reactive Arthritis:
Acute arthritis that sometimes develops following a bacterial infection (e.g. after infection with genera Shigella, Salmonella, or Chlamydia).
Osgood-Schlatter Disease (OS):
Osgood-Schlatter (OS) disease is one of the most common causes of knee pain in the adolescent marked by pain and edema of the tibial tubercle. OS disease is generally a benign, self-limited knee condition associated with traction apophysitis; Also called traction apophysitis, OS Disease.
Baker's cyst:
A swelling behind the knee that is composed of a membrane-lined sac filled with synovial fluid.
Torn or ruptured ligaments:
Can cause knee pain and knee joint instability, e.g. a meniscus tear

Other Causes of knee pain:
o Bone Tumor (rare)
o Fracture
o Patella Tracking Disorder (Kneecap Misalignment)
o Medial Synovial Plica Irritation
o Synovial Sarcoma (rare)
o Dislocation of the kneecap.
o Hypermobility Syndrome
o Infection in the joint (Knee Arthritis)
o Refferal pain ( e.g. knee pain radiating from hip joint )
o Juvenile Arthritis (Juvenile Rheumatoid Arthritis, Still's Disease)
o Ankylosing Spondylitis:
Rheumatoid arthritis of the spine ;called also Rheumatoid spondylitis.
Aseptic Bone Necrosis:
Temporary or permanent loss of the blood supply to a bone.
Crohn's Disease:
Chronic inflammation of the distal portion of the ileum, often spreads to the colon, and is characterized by diarrhea, cramping, loss of appetite and weight with local abscesses and scarring ;called also regional enteritis, regional ileitis.
Kawasaki Disease:
An acute febrile disease of unknown cause affecting especially infants and children.
Osteochondritis Dissecans:
Partial or complete detachment of a fragment of bone and cartilage at a joint.
Psoriatic Arthritis:
A severe form of arthritis marked by inflammation, psoriasis of the skin or nails, and a negative test for rheumatoid factor; called also Psoriasis Arthropathica.
Rheumatoid Arthritis (RA):
A chronic autoimmune disease marked especially by pain, stiffness, inflammation, swelling, and sometimes destruction of joints; called also atrophic arthritis.
A chronic disease of unknown cause that is characterized by the formation of nodules resembling true tubercles especially in the lymph nodes, lungs, bones, and skin.
Sickle Cell Anemia:
A chronic anemia that occurs mostly in individuals with African or Mediterranean origin.
Systemic Lupus Erythematosus:
A connective tissue disease of unknown cause that occurs chiefly in women characterized by fever, skin rash, arthritis, acute hemolytic anemia, small hemorrhages in the skin and mucous membranes, inflammation of the pericardium, and in serious cases by involvement of the kidneys and central nervous system.
Ulcerative Colitis:
Chronic inflammation of the colon marked by diarrhea with discharge of mucus and blood, cramping abdominal pain, inflammation and edema of the mucous membrane with patches of ulceration.
Lyme Disease:
An infectious disease that is usually starts by the skin lesion erythema migrans and fatigue, fever, and chills and if left untreated may later present itself in cardiac and neurological disorders, joint pain, and arthritis. The causative agent is a spirochete of the genus Borrelia (B. burgdorferi) transmitted by the bite of a tick especially of the genus Ixodes; called also Lyme, Lyme borreliosis.


Call your doctor if knee pain is accompanied by: 
o Inability bear weight on the knee
o Severe pain
o Knee buckles, clicks, or locks
o Deformed or misshapen knee
o Fever, redness or warmth around the knee
o Significant swelling of the knee
o Chronic knee pain

Diagnostic tests that may be performed include: 
o Analyzing fluid drawn from the knee
o X-ray of the knee
o MRI of the knee (to rule out  ligament or meniscus tears)

Prevention and self-care: 
o Avoid activities that aggravate the knee pain
o Avoid weight bearing activities
o Apply ice
o Keep your knee elevated as much as possible
o Gently compress the knee by wearing an ace bandage or elastic sleeve
o Take acetaminophen for pain or ibuprofen for pain and swelling
o Sleep with a pillow underneath or between your knees

Medications for knee pain may include: 
o Antipyretics, Analgesics
o Acetaminophen (Tylenol)
o Acetylsalicylic Acid, Aspirin, Ecotrin
o Nonsteroidal Antiinflammatory Drugs (Nsaids)
o Rofecoxib (Vioxx)
o Valdecoxib (Bextra)
o Celecoxib (Celebrex)
o Ibuprofen, Advil, Motrin, Medipren
o Naproxen, Naprosyn, Naprelan
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Diagnosis of knee pain, Reasons of knee pain, Prevention of knee pain, Definition of knee pain, Treatments for knee pain

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