Thyroid cancer is typically first noticed as a thyroid nodule. The symptoms may be the same for both, but females are more likely to get thyroid cancer than men. (Photo Credit: Sebastian Kaulitzki ...

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 ...

Ticks are parasitic arachnids that feed on the blood of mammals, birds, amphibians, and reptiles. They vary in size and ...

High fever, coughing, body aches, chills, and fatigue are possible symptoms of influenza B, but they may also indicate other conditions. A healthcare professional can provide an accurate diagnosis.

Pneumonia symptoms can vary based on the cause and severity of the lung infection. For some, it might feel similar to the flu or be barely noticeable. For others, pneumonia can cause severe ...

Sinusitis can cause facial pressure, sinus headache, and other symptoms. Treatment may depend on the cause. A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal ...

Moreover, other rickettsias, such as those causing epidemic typhus, which are not usually thought of as causes of pneumonia, may produce symptoms and pulmonary lesions that are indistinguishable ...