Skin Reactions
Benzoates allergy can induce irritating skin reactions such as redness, itching, and hives. These are typically localized to certain parts of the body, but can occasionally spread across a larger area.
Respiratory Problems
Some individuals may experience respiratory issues, which may range from wheezing and difficulty breathing to full-blown asthmatic symptoms. This can pose a serious health risk, especially for individuals with a history of respiratory illnesses.
Stomach Discomfort
Benzoates can also cause gastrointestinal discomfort. This might present as a general uneasiness, bloating, gas, nausea, vomiting, or diarrhea.
Swelling
In some cases, allergic reactions can result in swelling of the face, lips, tongue, throat, or other parts of the body. This symptom, known as angioedema, can be serious if it affects airway passages.
Migraines
Migraines and severe headaches are common symptoms of a benzoates allergy. Migraines may come coupled with sensitivity to light, blurred vision, nausea, and severe pain.