What Is a Skin Allergy Test? Skin testing is one way your doctor can find out what you're allergic to so you can avoid an allergic reaction. Skin testing works because when you have an allergy, your ...

A tuberculosis skin test can help a doctor determine if you need treatment. A positive test looks different for everyone, depending on your risk factors. Exposure to Mtb can result in either active TB ...

A tuberculosis (TB) skin test is the first method a doctor may use to try to determine if a person has TB. A TB skin test involves injecting a person with a small amount of tuberculin to see how the ...

Allergies are common and can be triggered by anything from certain foods and chemicals to dust or pet dander. While some people discover their allergies only after an unexpected reaction, deliberately ...