Delayed reactions, or allergic contact dermatitis, is the most common type of allergic reaction that shows on the skin. Delayed allergies happen when different substances get on the skin and cause an ...

Contact allergies occur when an allergen touches a person’s skin. The symptoms of this type of allergy are usually ... But hay fever and asthma are very different. A number of other factors ...

Patel, MD It's pretty common these days to hear people in restaurants and stores say they have a "gluten allergy" and ...

While you may be aware of more common outdoor allergies, you may not know that plenty of things in your home could be causing ...

you may also get an itchy rash on your skin called hives. Antihistamines reduce or block histamines, so they stop allergy symptoms. These medicines work well to ease symptoms of different types of ...

They can look different depending ... can diagnose the type of dermatitis just by looking at the skin. If there’s reason to suspect you might have an allergic reaction to something, your doctor ...

allergic reactions, rashes, and psoriasis can also be behind this kind of hyperpigmentation. Similar to the other types ...

Allergy patch testing screens substances to determine the cause of an allergic skin reaction. Patches with different suspected ... contact dermatitis, a type IV hypersensitivity reaction.

Psychological stress is known to exacerbate skin allergies ... thereby worsening allergic symptoms by interfering with the body’s inflammatory responses. IgE-CAI is characterized by swelling and ...