Evidence-Based Medical Encyclopedia
Explore thousands of diseases with authoritative clinical information from WHO, CDC, NIH, and international medical guidelines. Every condition features an interactive journey from diagnosis to treatment.
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Infectious diseases
Herpes Zoster
Reactivation of the chickenpox virus causing a painful, blistering skin rash confined to one side of the body in a specific nerve distribution (dermatome).
Pulmonary Tuberculosis
An airborne bacterial infection caused by M. tuberculosis that primarily affects the lungs, leading to granulomatous inflammation, cavitary lesions, and chronic respiratory symptoms.
Hepatitis B Virus Infection
A viral liver infection that can become chronic, leading to progressive liver damage, cirrhosis, and a high risk of liver cancer.
Malaria
A mosquito-borne parasitic disease causing cyclical fevers, chills, and severe anemia, with the falciparum species being potentially fatal.
Infectious Mononucleosis
A viral infection famous for causing severe fatigue, sore throat, and swollen lymph nodes, often called the 'kissing disease'.
Dengue Fever
A tropical viral illness transmitted by mosquitoes, characterized by high fever, severe body aches, and in severe cases, dangerous internal bleeding and shock.
Mumps
A highly contagious viral infection that causes painful swelling of the salivary glands in the cheeks and jaw.
Kaposi Sarcoma
A cancer caused by a virus (HHV-8) that produces purple skin lesions and affects internal organs, mostly in people with weakened immune systems like advanced HIV.
Measles
A very contagious viral illness causing high fever, the "3 Cs" (cough, coryza, conjunctivitis), and a spreading red rash, preventable by the MMR vaccine.
Chagas Disease
A parasitic infection transmitted by 'kissing bugs' in the Americas, which can lie dormant for decades before causing heart failure and enlarged digestive organs.
Hepatitis C Virus Infection
A curable viral liver disease transmitted via blood that causes silent liver damage, cirrhosis, and cancer over decades.
Leprosy
A chronic bacterial infection of the skin and nerves caused by M. leprae, leading to numb skin patches and potential limb deformities if untreated.