If you already have a liver condition such as cirrhosis, tell your doctor if you have any new or worsening symptoms. Symptoms of liver cancer are often quite vague and vary depending on where the ...

HIV symptoms vary by the stage of infection, known as acute HIV infection (Stage 1), chronic HIV infection (Stage 2), and AIDS (Stage 3). During primary infection, the symptoms are caused by the virus ...

What Causes Pneumonia and Who Is at Risk? Pneumonia symptoms can vary widely from a mild flu to a life-threatening emergency. Cough, fever, and fatigue are common, but you should seek help for more ...