Symptoms arise after the bite and tend to include: In rare cases, gnats carry and can spread a nematode—a very small, parasitic worm—known as Mansonella ozzaqrdi. Mostly found in tropical ...

Symptoms of diabetes commonly include increased thirst, blurred vision, frequent urination, and fatigue. Learn more about how symptoms may differ between type 1 and type 2 diabetes. Diabetes ...

Enterovirus infections often cause no symptoms or mild flu-like symptoms. Though rare, they can lead to serious complications. Children and people with weaker immune systems are most at risk.

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 ...

It's also possible they might have all these behaviors or a mix of these. ADHD symptoms usually show up when children are young — around school age. But you might notice them much earlier.

The onset of type 2 diabetes can be gradual, and symptoms can be mild during the early stages. As a result, many people may not realize that they have this condition. Possible early signs may ...

Some symptoms appear in the early stages of HIV, while others show up in later stages. Some people develop AIDS a few years after infection, while others remain symptom-free for 10 years or longer.

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 ...