The measles outbreak has taken the country by storm. But there's been a lot of misconceptions spread lately. Experts explain.

Symptoms of the mosquito-borne illness include aches and pains (behind the eyes, or in the muscles, joints or bones), nausea ...

Bridge the gap between uncertainty and action with insights into symptoms that warrant immediate medical attention.

A board-certified immunologist clears the air—turns out, there's only one time when allergies can lead to a fever.

The number of measles cases has risen to 309 as the historical outbreak continues to rage on in West Texas and three new ...

If your allergies leave you feeling lightheaded or cause chest pain, alert your doctor immediately, Nagarajan said. It could ...

From sudden severe headaches to vision changes and neurological symptoms, discover the signs that indicate it's time to seek ...

Erie County, which is east of Ashtabula County, has not reported a measles case since 1991, according to the Erie County Department of Health.

If you're one of the 20 percent of the US population to suffer with hay fever, then you might find that it affects more than ...

The CDC has documented an unprecedented rise in dengue fever among US travelers, with 3,484 cases identified last year. This ...

Cellulitis is a skin infection that can occur when bacteria enter an open bug bite. Early treatment is crucial. Learn how to ...