Learn more about what ails you. Here are some common symptoms.
Common Symptoms:
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Diseases and Medical Conditions J-L provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters J-L. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Kidney Infection (pyelonephritis)
Kidney infection (pyelonephritis) is an infection of the kidney and the ureters. Learn about pyelonephritis causes, symptoms, treatment and prevention. See more »
Klippel-Trenaunay Syndrome
Klippel-Trenaunay syndrome is a group of idiopathic symptoms. Learn about Klippel-Trenaunay syndrome causes, symptoms, treatment and prevention.
See more »Knock Knees
Knock knee is the angle of the lower legs such that when the knees touch ankles separate. Learn about knock knee causes, symptoms, tests, treatment and prevention.
See more »Krabbe Disease
Krabbe disease is an inherited enzyme deficiency that causes brain cell death. Learn about Krabbe disease causes, symptoms, treatment and prevention.
See more »Kuru
Kuru information from HowStuffWorks. Learn about causes, symptoms and treatments of Kuru.
See more »Kwashiorkor
Kwashiorkor is a form of malnutrition characterized by inadequate protein intake. Learn about kwashiorkor causes, symptoms, tests, treatment and prevention.
See more »Kyphosis
Kyphosis is a bowing curvature of the back leading to slouching posture or hunchback. Learn about kyphosis causes, symptoms, tests, treatment and prevention.
See more »Labyrinthitis
Labyrinthitis is an infection of the inner ear canals often resulting in dizziness, stress or fatigue. Learn about labyrinthitis causes, symptoms, tests, treatment and prevention.
See more »Lack Of Intrinsic Factor
Lack Of Intrinsic Factor information from HowStuffWorks. Learn about causes, symptoms and treatments of Lack Of Intrinsic Factor.
See more »Lacrimal Gland Tumor
Lacrimal gland tumor is a benign or malignant tumor in the tear glands. Learn about lacrimal gland tumor causes, symptoms, treatment and prevention.
See more »Lactic Acidosis
Lactic acidosis is an abundance of lactic acid in the blood cause by low blood oxygen levels. Learn about lactic acidosis causes, symptoms, tests, treatment and prevention.
See more »Lambert-Eaton Syndrome
Lambert-Eaton Syndrome is muscle weakness due to insufficient nerve and muscle communication. Learn about Lambert-Eaton syndrome causes, symptoms, treatment and prevention.
See more »Lamellar Ichthyosis
Lamellar Ichthyosis information from HowStuffWorks. Learn about causes, symptoms and treatments of Lamellar Ichthyosis.
See more »Laryngeal Nerve Damage
Laryngeal nerve damage is damage to the nerves connected to the voice box. Learn about laryngeal nerve damage causes, symptoms, treatment and prevention.
See more »Laryngitis
Laryngitis is larynx inflammation from bacterial or viral infection causing hoarseness or voice loss. Learn about laryngitis causes, symptoms, tests, treatment and prevention.
See more »Left-sided Heart Failure
Left-sided heart failure is when the left side of the heart fails to pump blood efficiently. Learn about left-sided heart failure causes, symptoms, treatment and prevention.
See more »Legg-Calve-Perthes Disease
Legg-Calve-Perthes disease is thighbone death from a lack of blood supply. Learn about Legg-Calve-Perthes disease causes, symptoms, treatment and prevention.
See more »Legionnaire's Disease
Legionnaire’s disease, acute respiratory infection by bacteria, can cause cough, fever or pneumonia. Learn about Legionnaire’s disease causes, symptoms, tests, treatment and prevention.
See more »Leiomyosarcoma
Leiomyosarcoma information from HowStuffWorks. Learn about causes, symptoms and treatments of Leiomyosarcoma.
See more »Leishmaniasis
Leishmaniasis is a potentially fatal parasitic disease spread through sandfly bites. Learn about leishmaniasis causes, symptoms, treatment and prevention.
See more »Leprosy
Leprosy, an infectious disease causing skin sores and nerve damage, exists in two forms. Learn about leprosy causes, symptoms, tests, treatment and prevention.
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Common Conditions:
