Allergic asthma should be diagnosed and treated by an allergist. An allergic reaction occurs when your immune system overreacts to the presence of a harmless substance called an allergen.

Allergic reactions to shampoo can cause symptoms like redness, itching, swelling, and blisters on the scalp or neck. In some cases, a more severe reaction like anaphylaxis or hives may occur. Common ...

The researchers of the University of Southern Denmark found that genetic differences have little to do anything with ...

While essential oils are often used to improve health, they can cause allergic reactions. You may be more likely to have an allergic reaction to an essential oil if you have atopic dermatitis (eczema) ...

Tattoo ink, in general, is not regulated by the ... it could be a sign of an infection or allergic reaction. According to Dr. Nazarian, such risks can become a reality if a tattoo artist uses ...

In more severe cases, a serious allergic reaction, known as anaphylaxis, can include swelling of the throat, a drop in blood pressure, difficulty breathing and loss of consciousness. FD&C Yellow No.

Food dyes are generally safe to eat, but some people may be sensitive to dyes such as carmine, Red 40, or Yellow 5 and develop an intolerance or allergic reaction to them. An allergic reaction to ...

QUEPOS, Costa Rica — Costa Rican authorities are investigating whether former Yankee star Brett Gardner’s teen son died from an allergic reaction to medication he was given for food poisoning.

Corneal disease is the primary cause of visual loss in allergic eye disease ... VKC is an immunologically mediated hypersensitivity reaction to environmental antigens.

Now, the authorities are looking into a possible allergic reaction to medication, the outlet reported. Miller was found dead in his hotel room on the morning of Friday, March 21. “The hotel ...