Localized Skin Reactions
One of the primary symptoms of an Azo Dyes allergy can be localized skin reactions. These can include redness, itchiness, rash, and swelling in the region where the colorant has made contact with the skin.
Wheezing and Difficulty Breathing
Some individuals may experience respiratory symptoms such as wheezing and difficulty in breathing. This is usually due to an allergic reaction to inhaling the dust or particles of Azo Dyes.
Hives
Hives are one of the other common symptoms of an Azo Dyes allergy. They occur as an itchy, inflamed, and raised red area on the skin as a result of an allergic response to the dye.
Runny Nose and Watery Eyes
People allergic to Azo Dyes may experience allergic rhinitis symptoms like runny nose and watery eyes. These symptoms can occur if tiny particles of Azo Dyes get into the nose or eyes.
Anaphylaxis
While rare, Azo Dyes can cause a severe, potentially life-threatening allergic reaction called anaphylaxis. Symptoms can include a rapid, weak pulse, nausea, vomiting, and shock.
Contact Dermatitis
An allergic reaction to Azo Dyes may also cause contact dermatitis, a skin condition that leads to itchy, red, and cracked skin. It generally occurs at the site of direct contact with the allergic substance.
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